The amount of water that flows through a specific surface in a unit of time is known as the volumetric flow rate. Or, to put it more simply, how quickly water moves through a pipe.
Volumetric flow rate is influenced by friction loss, water velocity, and pipe diameter. As is well known, volumetric flow determines how much space the molecules in a flowing gas occupy, while mass flow counts the number of molecules in the gas. Volumetric flow rates can significantly change in response to changes in pressure and/or temperature because gases are compressible and temperature has a large impact on them. Vacuum technology typically deals with three different types of flow: molecular flow, viscous or continuous flow, and the flow at their intersection.
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A building may be work of art if it reflects technological, environmental and societal considerations
It is false that a construction is considered a work of art because it has technological, environmental and social considerations.
Why can a construction be considered a work of art?A construction can be considered a work of art when its appearance and visual factor is characterized by beauty and differs from other constructions in its internal and external part. For example, the Burj Khalifa building located in Dubai is a work of art because its infrastructure is scaled and has very striking shapes for the public.
On the other hand, a self-sustaining house is not considered a work of art despite including technology to have environmental and social consideration. According to the above, it can be inferred that it is false that when a construction has a technological implementation for social and environmental considerations it is a work of art.
Note: This question is incomplete because there is some information missing. Here is the complete information:
Options
True
False
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A specimen of a 4340 steel alloy having a plane strain fracture toughness of 45 MPa√m (41 ksi√????????) is exposed to a stress of 1000 MPa (145,000 psi). Will this specimen experience fracture if it is known that the largest surface crack is 0. 75 mm (0. 03 in. ) long? Why or why not? Assume that the parameter Y has a value of 1. 0. (
The value was calculated to be 927 MPa. There will be fracture in the specimen. Fracture is the medical term for a break, usually in a bone.
When a bone is broken and pierces the skin, the fracture is considered open or complex. Slips, trips, and sports injuries are common causes of fractures. Other concerns include osteoporosis, which weakens the bones, and low bone density. A shattered bone is known as a fracture, also referred to as a crack or break. A bone may fracture in a number of ways, either completely or partially (crosswise, lengthwise, in multiple pieces).
Calculate the critical stress for brittle fracture.
Given that the critical stress is 927 MPa and that fracture toughness is equal to (fracture toughness / (y * surface crack)) = 45 / (1) = 927 MPa, the following is true: The fracture will occur.
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a(n) is a support system that is completely concealed in the wall and supports the load of the fixture by means of a suitable face plate and base support firmly anchored to the floor.
Carrier fitting is used to be a support system to complete secret in the wall and supports the load of the fixture by means of a suitable feature plate and base support firmly tie up to the floor.
Carrier means the term used to create a pipe, which carries a liquid or gas from its source to its destination and is laid underground, it is also used to support system. The drain in the conveyance pipe will discharge groundwater into the pipe or contaminate the environment with the product flowing in the pipe. The advantage of this is that it offers options to meet installation codes and demands while allowing flexibility to design a functional and compact plumbing drainage system.
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air flows at 1.2 m/s along a flat surface when it encounters a jet of air issuing from the horizontal wall at point a, as in fio p8.16. the jet volume flow is 0.4 m/s per unit depth into the paper. if the jet is approximated as an inviscid line source, (a) locate the stagnation point s on the wall. (b) how far vertically will the jet flow extend into the stream?
In the upper atmosphere, jet streams are relatively narrow bands of powerful wind. Jet streams carry the winds as they go from west to east
Explain about the jet flow?Jet streams can travel at speeds of more than 275 mph (239 kts / 442 km/h) and range in height from four to eight miles. Both the Northern and Southern Hemispheres have jet streams.
At altitudes of roughly 8 to 15 kilometres, jet streams move across the tropopause, the region between the troposphere and the stratosphere (5 to 9 miles). When cold air and hot air collide, strong air currents are created that, when viewed on a jet stream map, often resemble wavy, striated rivers.
The mid to upper troposphere, the part of the Earth's atmosphere where we live and breathe, is where jet streams are found, about five to nine miles above the planet's surface.
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which of the following is true for the depletion region capacitance of a pn junction? select one: a. all of these b. the capacitance depends on the square root of the reverse bias for an abrupt step junction c. the capacitance depends on the cube root of the reverse bias for a linearly graded junction d. the capacitance decreases as the reverse bias increases e. the amount of charge stored increases as the reverse bias increases
All of these statements are true.
The depletion region functions as an insulating or dielectric substance. P-n junction diodes can therefore be compared to parallel plate capacitors.
What is PN junction?A P-N junction is the boundary or interface between the p-type and n-type semiconductor material types inside of a semiconductor.The process of doping produces the P-N junction in a semiconductor.In an electrical circuit, a diode (PN junction) makes it easier for current to flow in one way than the other.While reverse biasing is applying a voltage across a diode in the opposite direction, forward biasing refers to applying a voltage across a diode that facilitates easy current passage. High resistance is present in the p-n junction diode's depletion zone.As a result, the depletion region functions as an insulating or dielectric substance.P-n junction diodes can therefore be compared to parallel plate capacitors.Transition capacitance is the measurement of how much capacitance changes as voltage increases.
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a seesaw weighing 3 lb/ft of length is occupied by two children, each weighing 90 lb (see gure). the center of gravity of each child is 8 ft from the fulcrum. the board is 19 ft long, 8 in. wide, and 1.5 in. thick. what is the maximum bending stress in the board
The maximum bending stress in the board is 3420Psi.
B = 8 inch h = 1.5 inch
q = 3 lb/ft p= 90 lb d = 8 ft l = 9.5
[tex]M_{max} =[/tex] pd+[tex]\frac{q L^{2} }{2}[/tex]
= 720lb ft+135.4lb ft
= 855.4lb ft
= 10264 lb inch
S = [tex]\frac{bt^{2} }{6}[/tex]= 3.0[tex]in^{3}[/tex]
σmax = [tex]\frac{M}{S}[/tex]
= [tex]\frac{10264 lb inch }{ 3.0inch^{3} }[/tex]
= 3420Psi
What is bending stress?Bending stress is the normal stress that an object can withstand when an external load is applied to it at any cross section. Bending stress is also defined as the ratio of bending moment to section modulus.
If a transverse load is applied to a beam of arbitrary cross-section, the beam bends. In addition to bending, there can be other effects such as bending and twisting , and studying a problem that includes all the combined effects of bending, twisting, and buckling can be difficult. Therefore, we are only interested in studying bending effects.
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There are many answers to this scenario. Please post yours and comment what you like about others and how you might improve them.
The Acme Company has two offices. They would like you to help them address their network. Like all companies, they want to account for growth, but want a simple, organized addressing scheme. They have been assigned the range of 201.11.10.224/29 for public access. Their VLAN needs are below for each site.
The 201.11.10.224/29 address has only 8 total addresses. That's not even going to cover the first subnet. This is a component of IPv4 and limited addresses. So, we can use Network Address Translation (NAT) on the router limiting the 201.11.10.0 addresses to the outside of network and use private addresses internally. What are the private address ranges? (Hint: They are in Module 11.3.1). Pick one and use that to address the scenario.
Document how you would address the network and communicate it to Acme leadership.
Walla Walla Office (HQ)
Management (10 devices)
Accounting (25 devices)
IT (30 devices)
Production (100 devices)
Seattle Office
Management (10 devices)
Accounting (25 devices)
IT (15 devices)
Production (50 devices)
Network address translation between Walla Walla and Seattle is the optimum network method for this.
What is Network Address Translation?Network address translation is a technique for translating one IP address space to another by altering network address information in packet IP headers while they are in transit through a traffic routing device.
The NAT (network address translation) is originally established to limit the number of public IP addresses used by major corporate businesses or companies, hence preserving both IP address conservation and protection.
There are several devices within the community that need to be protected from the outside world, thus the NAT permits private IP addresses to connect to the outside world.
As an example, designating a public handle to a set of HOST/gadgets inside an inside community/corporation.
Remember that a host or device in an inner network with a private IP address, say (192.168.1.11), wishes to interact with an internet server on the internet ( outside world ). Now, NAT will convert this non-public IP address into a public IP address (for example, 1.12.1.1) that is known to everyone.
So, the web server recognizes this precise public IP and returns its outcome to this deal with (1.12.1.1), after which it routes to the vacation spot, where the NAT converts it once more to the private IP deal with and sends the outcomes to the desired device in the non-public network.
As for a corporation's local network, there are numerous non-public IP with one public IP denoting all of them), so the result now, obtained via one of the devices in that network
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technician a says that the starter control circuit includes the ignition switch, neutral safety (clutch) switch, and solenoid. technician b says that the power circuit includes the battery, battery cables, solenoid, and starter motor. who is right?
Both technician A and technician B are right.
The starter control part contains the ignition switch, neutral safety switch, and solenoid. Meanwhile, the power circuit includes a power source to drive electrical current around the circuit (a battery) A conductor to carry the current around the circuit (some cable) A load that has resistance (a bulb, a heating element, a motor, etc.)
The starting system offers a step of rotating (cranking) the vehicle's internal combustion engine (ICE) to start the combustion cycle. The starting system includes the battery, cables, a solenoid, a starter motor, a ring gear, and an ignition switch.
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assuming the tube surface to have a uniform temperature corresponding to that of the phase change, determine the water outlet temperature and total heat transfer rate for a water flow rate of 0.1 kg/s and an inlet temperature of 60 c. if h w 0.25 m, how long would it take to completely liquefy the paraffin, from an initial state for which all the paraffin is solid and at 27.4 c?
Time required to melt paraffin is [tex]t_{m} =4660s = 1.29 hours[/tex]
What is liquefaction?Liquefaction is the term for the phase transitions from solid to liquid (melting) and from gas to liquid (condensation, respectively). The temperature and pressure at which a solid transforms into a liquid is known as the melting point (sometimes referred to as the liquefaction point).The time taken to liquify the paraffin,
[tex]T= 27.4^{o}[/tex]
so, [tex]\frac{T-T_{0} }{T-T_{1} } = exp(\frac{-PidLb}{mxcp} )[/tex]
Here, the Reynolds number is donated by [tex]R_{eD}[/tex].
So, [tex]R_{eD}[/tex] = [tex]\frac{4m}{pi*D*m}[/tex]= [tex]\frac{4*0.1}{pi*0.025*467*10^{-6} }[/tex]
Therefore, [tex]R_{eD}[/tex] = 10,906
h = ?
Given, water flow rate = 0.1 kg/s
so, [tex]h = \frac{NneudK}{D} =\frac{k}{D} *00.023*R_{eD}^{4/5}* P^{0.3} _{o}[/tex]
=[tex]\frac{0.653}{0.025} *0.023*10906^{4/3} *2.99^{0.3}[/tex]
therefore, 'h' = [tex]1418\frac{w}{m^{2}* k}[/tex]
so, [tex]T_{0} =T-(T-T_{i})exp(\frac{piDlh}{mcp} )[/tex]
by substituting, we get
[tex]T_{0}=27.4-(27.4-60)exp(\frac{-pi*0.25*3*1418}{0.1*4185})[/tex]
Therefore, [tex]T_{0}=42.17^{o}[/tex]
As per the balance energy equation, we get
[tex]q=h_{i} C_{p} (T_{i} -T_{0} )=0.1*4185*(60-42.17) = 7500 watts[/tex]
with the help of balance energy, we can calculate the time required to melt paraffin
so, [tex]q*T_{m} = P_{v}h_{s} f[/tex]
[tex]=PL(wH-\frac{pid^{2} }{4})h_{s} f[/tex]
so, [tex]T_{m} =(770*3)* \frac{(0.25*\frac{0.25^{2} -pi}{4} *0.025)^{2}}{750} h_{s} f[/tex]
Therefore, time required to melt paraffin is [tex]T_{m} =4660 seconds= 1.29 hours[/tex]
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an engineer has performed an experiment to study the effect of four factors on the surface roughness of a machined part. the factors are: a
the correct answer is the option (b).
Surface roughness is the measurement of the relative smoothness of a surface’s profile, calculated via the microscopic deviations in a surface's true form. The larger the deviation from its true form, the rougher the surface, whilst the smaller the deviation, the smoother the surface.A rougher finish cannot be achieved through machining. A secondary process like bead-blasting or tumbling is required. There is no one way to achieve a particular surface roughness as both the machining process and secondary finishing influence the surface roughness. Get in touch with a member of our team to discuss the optimal procedure for finishing your parts.
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1. Which of the following is an example of blocking?
O Repressurizing valves
Raising machine components
Clamping springs
O Tagging belts
An example of blocking is repressurizing valves. The correct option is a.
What is blocking?Blocking means stopping something from coming or going somewhere. Controlling the pressure and flow within a piping system. Regulating the flow's direction within a piping system. Reducing the flow rates in a system of pipes. Enhancing security by reducing vacuum or pressure in a pipe system.
Valves have a wide range of applications, including controlling water flow for irrigation, industrial process control, and residential uses like on/off and pressure control for dishwashers, washers, and faucets.
Therefore, the correct option is a. Repressurizing valves.
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a cylindrical tank is required to contain a gage pressure 660 kpa . the tank is to be made of a516 grade 60 steel with a maximum allowable normal stress of 150 mpa . if the inner diameter of the tank is 2.4 m , what is the minimum thickness, t , of the wall? express your answer with appropriate units to three significant figures.
The wall has a minimum thickness is t=5.28.The most popular way to gauge pneumatic pressure is with gauge pressure.
Explain about the Gage pressure?When internal pressure exceeds atmospheric pressure nearby, it is referred to be gauge pressure. It was created the gauge pressure scale. It is the system's compressed air's relative pressure. Since practically all pressure gauges register zero when they are exposed to the environment, gauge pressure can be either positive or negative depending on whether its level is above or below the reference atmospheric pressure.
The difference between the inner and external pressures is measured by the pressure gauge on a tank.
660 kpa is the gauge pressure.
Normal stress permitted is 150 Mpa.
Inner tank diameter is 2.4 meters.
Minimum wall thickness =?
There are two scenarios in the closed cylinder scenario.
One is longitudinal stress, and the other is circumferential stress.
Circumferential stress suggests
pd/2t
Where
t= thickness, d= diameter, p= pressure
replacing each value we receive,
t= 660x2.4/2 x 150
t = 1584/300
t=5.28
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13. The type of building that can be built in an area would be covered in
O A. building permits.
O B. deed restrictions.
O C. sales contracts.
O D. zoning restrictions.
A alloy bar 1m long and 200m in cross-section is subjected to compression force 20KN if the modulus of elasticity of the axial is 100Gpa. Find the decrease in length of the bar
A alloy bar 1m long and 200m in cross-section is subjected to compression force 20KN if the modulus of elasticity of the axial is 100Gpa. The decrease in the length of the bar is 1 X 10^-12m.
Define elasticity.
Elasticity, in physics and materials science, is the capacity of a body to withstand a force that distorts it and to recover its original size and shape when the force is withdrawn.
Elasticity is characterized as a feature of materials that allows them to resume their original shape after being deformed by stress that has been removed. The pascal is the SI unit for elasticity and the elastic modulus (Pa).
Solution Explained:
Given,
Length = 1m
Area of Cross-Section (A) = 200m^2
Tensile force (P) = 20kN
Modulus of elasticity (E) = 100Gpa = 1 X 10^11 N/m^2
Using the formula,
Δl = P X length / A X E
= 20 X 1 / 200 X 1 X 10^11
After calculation, we get
Δl = 1 X 10^-12m
Therefore, the decrease in length is 1 X 10^-12m.
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The three gorges dam is rated at 22.5 gwe maximum output. if its generating efficiency is 90% and its head is 81 m, what is the rate of flow (in kg/s) of water through its turbines at maximum output? use e for exponent; for e.g. 3x10^8 should be written as 3e8.
Answer is given by a diagram attached :
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which three gauges or indicators are the most important to be aware of? coolant temperature gauge, oil pressure gauge, and high beam indicator fuel gauge, oil pressure gauge, battery voltage gauge coolant temperature gauge, oil pressure gauge, and battery voltage gauge fuel gauge, coolant temperature gauge, and battery voltage gauge
Your three gauges will be: Oil pressure, battery voltage, and a coolant temperature indicator are all included.
What gauges to install in car?Your three gauges will be: Boost Gauge. Oil Pressure Gauge A wideband gauge for the air/fuel ratio.The oil pressure gauge is the most crucial device in the car. A mechanical gauge is the instrument of choice for the majority of racecars. There are many different mechanical gauges available, but one thing to think about is the gauge's overall range.The speedometer and fuel gauge are the two most used gauges. This is because (clearly, we hope) staying aware of your speed is essential to maintaining both your safety and compliance with the law. The speedometer used to be connected to a cable that went into the gearbox box.To Learn more About three gauges Refer To:
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why is it important not to rotate the crankshaft after the corrosion preventive mixtrure has been put into the cylinders on engines prepared for storage
It is important not to rotate the crankshaft after the 'corrosion preventive mixture' has been put into the cylinders on engines prepared for storage because 'the seal of the corrosion preventive mixture will be broken.
Corrosion preventive mixture refers to the mixture that is put in place to prevent the occurrence of corrosion. Corrosion preventive mixtures are designed to protect substrates, materials, and metallic structures from the deterioration that results from the chemical or electrochemical interaction of a substance with its immediate surroundings. It can be stated as corrosion preventive mixtures refer to the solutions used in industries to protect against the depletion of the mechanical, chemical, and physical properties of a material that is normally caused by corrosion. Corrosion prevention mixtures are used in industries to maintain the effectiveness, safety, and reliability of materials. It also helps to reduce the expensive replacement processes required in case corrosion occurs.
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a steam power plant operating on the simple ideal rankine cycle is considered. the heat input into the cycle is 2728 kj/kg, and the heat output is 2018 kj/kg. determine the thermal efficiency of this cycle.
The average temperature at which heat is fed to the cycle is raised, increasing the Rankine cycle's thermal efficiency. lowering the typical temperature at which the cycle rejects heat.
Power plants that employ coal or nuclear energy frequently use the Rankine cycle, also known as the Rankine Vapor Cycle. A fuel is used in this mechanism to generate heat in a boiler, turning water into steam that expands via a turbine to provide useful work. The Rankine cycle's efficiency is lower than that of a Carnot cycle operating between the same maximum and minimum temperatures because the mean temperature at which heat is provided is lower than the maximum temperature,
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If C1= 20 micro farad and CW= 10 micro farad are connected in series in a simple electric circuit,then find the total capacitance
The total capacitance of the given electric circuit is 30 microfarad.
Define capacitance.
The ability of a physical thing or equipment to store electric charge is known as capacitance. The capacitance is quantified by the ratio of those values, which represents the change in charge in response to a variation in electric potential.
When an earthed conductor is moved close to a conductor, its capacitance increases, which is how capacitors operate. The capacitor, therefore, contains two parallel plates that are spaced apart by a certain amount of gap and oriented in opposing directions. The formula C=Q/V is used to determine a capacitor's capacitance based on its charge, Q, and its voltage, V.
Solution Explained:
Given, C1 = 20microfarad and CW = 10 microfarad
Since they are in series,
Total capacitance = C1 + CW = 20 + 10 = 30microfarad
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a cylindrical rod 380 mm long and having a diameter of 10.0 mm is to be subjected to a tensile load. if the rod is to experience neither plastic deformation nor an elongation of more than 0.9 mm when the applied load is 24,500 n, which of the four metals or alloys listed below are possible candidates? justify your choice(s). (2 points)
Answer:
Steel
Explanation:
Aluminium and copper alloys are not viable options because their permissible strain is less than the rod's estimated strain.
What is Strain?When an object is stressed, the amount of deformation or lengthening is measured as strain. Strain is typically stated as a ratio or percentage of the original length, area, or volume of the object. In other terms, strain is the amount of deformation in relation to an object's initial size or shape.
Calculating the stress and strain that the cylindrical rod would encounter under the specified conditions and comparing it to the permitted stress and strain values for each material will help us choose which of the four metals or alloys listed below are likely choices.
Let's begin by determining the rod's cross-sectional area:
Area = πr^2 = π(5 mm)^2 = 78.54 mm^2
The stress can then be calculated by:
[tex]Stress = Force / Area = 24,500 N / 78.54 mm^2 = 312.5 MPa[/tex]
We must apply the following formula to determine the strain:
Elongation / Initial Length = Strain
Given that the elongation shouldn't be greater than 0.9 mm:
Strain = 0.9mm/380mm =0.00237
Now that we have the stress and strain values and the permissible values for each material, we can compare them:
Allowable strain in aluminium alloy is 0.003 and allowable stress is 275 MPa.Steel alloy: 450 MPa of stress and 0.002 of strain are permitted.Copper alloy: 205 MPa of stress and 0.0035 of strain are permitted.Allowable stress for titanium alloy is 880 MPa, while allowable strain is 0.002.Therefore, due to their permissible stress and strain being more than or equal to that calculated for the cylindrical rod under the specified conditions, both the steel alloy and titanium alloy are potential options based on the comparison made above.
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a fatigue test was conducted in which the mean stress was 60 mpa (8702 psi), and the stress amplitude was 230 mpa (33360 psi). (a) compute the maximum stress level. mpa (b) compute the minimum stress level. mpa (c) compute the stress ratio. (d) compute the magnitude of the stress range. mpa
The ratio of the least to highest stress is known as the stress ratio. 345 mpa is the greatest stress level.
Explain about the maximum stress level?
The mean stress is 60 mpa. The highest tensile stress and the minimum compressive stress, respectively, are denoted by the words "maximum stress" and "minimum stress." The stress range was established using the absolute difference between the highest and lowest stress.
Maximum stress level = 1/2 of the maximum and minimum stresses.
Then,
60 = 1/2 (Maximum stress minus Minimum stress)
230 = Maximum Stress plus Minimum Stress - (1)
As opposed to that,
Amplitude is= half of the maximum and minimum stresses.
120 = 1/2(Max. stress - Min. Stress) (Max. stress - Min. Stress)
460 equals Maximum Stress - Minimum Stress - (2)
Solving equations (1) and (2) yields:
Equation (1) + (2) 230 = Maximum stress + Minimum stress
460 = Maximum stress - Minimum stress
690 = 2 Maximum stress
690/2 = 345 mpa
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Assignment You must write an awk script that will generate a report when supplied input data in a specified format. Program Your awk script must compute summary data on the performance of sales associates for the company ""No-op Computing. ""
To produce a blank line, type print "" where "" denotes an empty string. To print a predetermined section of text, use a string constant like "Don't Panic" as one item.
If the double-quote characters are left out, our content will be regarded as an awk expression, and we will probably run into problems. By writing statements that specify text patterns to be looked for in each line of a document and the action to be taken when a match is found, a programmer can write brief but effective programs using the Awk utility. Most commonly, Awk is used to process and scan patterns.
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technician a says that proper starter operation depends on the battery being at a 95% charge and battery cables being of the correct size (gauge) and having no more than 0.8-volt drop. technician b says that voltage-drop testing includes cranking the engine, measuring the drop in voltage from the battery to the starter, and measuring the drop in voltage from the negative terminal of the battery to the engine block. who is right?
The right one is Technician b says that voltage-drop testing includes cranking the engine, measuring the drop in voltage from the battery to the starter, and measuring the drop in voltage from the negative terminal of the battery to the engine block .
What is a voltage drop test?To quickly identify high-resistance issues in a circuit, voltage drop testing is a straightforward but efficient diagnostic technique.You can measure the voltage drop across a load, device, or conductor using the DC voltage scale on your Digital Volt Ohm Meter (DVOM) or Digital Multi-meter.Utilizing a DMM to keep track of the voltage and amps being used by a specific circuit, group of circuits, component, or electrical system, voltage drop testing is carried out (windshield wipers, cruise control, charging system, etc.). The intended voltage or battery voltage is compared to the actual voltage next (if applicable).To learn more about voltage drop test refer to:
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a half-wave rectifier circuit with a 500-q load operates from a 120-v (rms) 60-hz household supply through a 12-to-l step-down transformer. it uses a silicon diode that can be modeled to have a 0.7-v drop for any current. what is the peak voltage of the rectified output? for what fraction of the cycle does the diode conduct? what is the average output voltage? what is the average current in the load?
A sinusoidal waveform's average voltage (VAV) is calculated by multiplying the peak voltage value by the constant 0.637,which is equal to two divided by pi.
Explain about the Average output voltage?A waveform's level that is determined by the requirement that the region enclosed by the curve above it is exactly equal to the region enclosed by the curve below it.
The amount of power averaged throughout time is referred to as average power. By averaging the instantaneous power's time throughout a single cycle, we may determine average power.
By multiplying the peak value by 0.637 or the RMS value by 0.9, average or mean voltage and current values may be derived that can be used to calculate the same amount of power consumption as for analogous DC values. When converting from AC to DC, the average or mean value is frequently utilized (rectification).
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The two switches in the circuit seen in Fig. P7.6 are synchronized. The switches have been closed for a long time before opening at t = 0. a) How many microseconds after the switches are open is the energy dissipated in the 4 Ohm resistor 10% of the initial energy stored in the 6 H inductor? b) At the time calculated in (a), what percentage of the total energy stored in the inductor has been dissipated?
0.3 A is the calculated current. Because the sum of the currents entering and leaving the junction is equal, Kirchhoff's first law is based on the conservation of charge.
The algebraic sum of potential drops in a closed circuit must equal zero, according to Kirchhoff's second law.
The capacitors will begin charging through resistor 2 as soon as switch S is closed, and there won't be any current flowing through resistors 8 and 4.
As a result, I1=2/6
=3A,
I2=0,
and I3=0.
The charging of the capacitors will cease a long time after switch S is closed, but current will still flow through resistors 8 and 4.
Applying Kirchhoff's law, loops 1 and 2 are equal to (3/2)0.6
=0.9A and loop 3 is equal to
(0.90.6=0.3A).
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briefly describe the simplest continuous-cooling heat treatment procedure that would be used in converting a 4340 steel from one microstructure to another. (a) (martensite ferrite bainite) to (martensite ferrite pearlite bainite) (b) (martensite ferrite bainite) to spheroidite (c) (martensite bainite ferrite) to tempered martensite
The quickest continuous-cooling heat treatment process needed to transform the 4340 steel's martensite, ferrite, and bainite combination
Explain about the heat treatment?To accomplish the desired outcome, such as hardening or softening, heat treatment includes heating or cooling to extremely high temperatures.
Heat treatment is the procedure of heating metal without allowing it to reach its molten, or melting, stage, followed by a controlled cooling to choose desired mechanical qualities. Metal is subjected to heat treatment in order to increase its strength, malleability, abrasion resistance, or ductility.
Annealing, hardening, quenching, and stress relief are examples of common heat-treating techniques. Each one has a special procedure that yields a range of outcomes.
Through a heating and cooling procedure, heat treatment is frequently used to change or reinforce the structure of materials. Both ferrous and non-ferrous metals can use it.
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technician a says that cj-4 diesel engine lubricating oil is backward compatible with all previous diesel engine lube oil classifications. technician b says that the digit 4, in cj-4 means that the oil is suitable for 4-stroke cycle use. who is right?
Answer: The both the a and b technician are correct about the lubricating oil.
Explanation:
A lubricant, also known as lube or lubricant, is a substance that aids in reducing friction between surfaces in contact, thereby lowering the heat produced when the surfaces move. Additionally, it might be used for force transmission, the transportation of foreign objects, or the heating or cooling of surfaces. Lubricity is the quality that lowers friction.In addition to industrial applications, lubricants are used for many other purposes. Other uses include cooking (oils and fats in use in frying pans, in baking to prevent food sticking), bioapplications on humans (e.g. lubricants for artificial joints), ultrasound examination, medical examination, and sexual intercourse. It is mainly used to reduce friction and to contribute to a better and efficient functioning of a mechanism
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3. When using the Cold Saw what is the correct Water to Coolant ratio?
a.
b.
10:1
20:1
c. 15:1
d. 25:1
When using the cold saw, the correct water-to-coolant ratio should be 20:1.
What is a cold saw?
A cold saw is a sawing machine that uses a circular saw blade to cut metal.
What happens if coolant to water ratio is too high?
Having too much water will not cool the engineHaving too much antifreeze could cause your water pump to fail.What happens if you don't add water to the coolant?
Water has minerals that can deform deposits inside the radiator and the cooling system passages of your engine. And over a long period of time, they can lead to overheating.Therefore, in a cold saw the water-to-coolant ratio should always be 20:1.
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with respect to the following operating service characteristics of the modes of transportation, which combination is incorrectly specified? multiple choice speed: air is best; pipeline is worst. availability: truck is best; pipeline is worst. capability: pipeline is best; water is worst. dependability: pipeline is best; air is worst.
The mode of transportation is wrongly specified as having the superior capability: pipeline or water
Explain about the modes of transportation?Air, water, and land transportation which includes rails, roads, and off-road travel are the many forms of transportation. There are additional modalities as well, such as pipelines, cable transmission, and space travel.
Transport modes are the tools that enable both passenger and cargo mobility. They can be divided into three categories: land (road, rail, and pipeline), sea (shipping), and air.
The majority of Americans still drive to and from work. 76 percent of American commuters use their own automobile to get from home to work, making it by far the most common form of transportation, according to Statista's Global Consumer Survey.
These are the top four transportation methods (or types) used in the logistics sector Road, Sea, Air, and Rail.
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n order to adjust the mix to increase the compressive strength, the water-to-cement ratio is reduced to 0.45. will the quantity of coarse aggregate increase, decrease, or stay the same?
The strength reduces as the w/c ratio rises. The typical w/c ratio needed to completely hydrate cement is 0.42.
Beyond this point, additional water makes concrete easier to work with for compaction but is not required for hydration. A larger water-to-cement ratio results in wider gaps between the cement aggregates, which affects the compaction. Consequently, rising moisture levels result in decreased concrete durability and compressive strength. In a variety of applications, mortar or concrete's fresh and hardened qualities are enhanced by chemical admixtures. Their inclusion may enable the water to cement ratio (w/c) to be decreased without compromising the mixture's workability.
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