Engineering, 20.02.2020 22:19 chameleonsarelife
A piston-cylinder device contains 6.5 kg of refrigerant-134a at 800 kPa and 70°C. The refrigerant is now cooled at constant pressure until it exists as a liquid at 15°C. Determine the amount of heat loss and show the process on a T−v diagram with respect to saturation lines.
Answers: 3
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Vibration monitoring this technique uses the noise or vibration created by mechanical equipment and in seme cases by plant systems to detemine their actual condtion. a)- true b)- false
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The characteristic roots of a dynamic system are: 1.7920 1.8160 i, -1.7920 1.8160 i, -0.4160 what is the order of this system? what are the settling time and damping ratio of the system?
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The sum of the normal stresses does not change as the stress state rotates through an angle. a)-trune b)- false
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The power source in a certain welding setup generates 3500w that is transferred to the low carbon steel work with a heat transfer factor of 0.85. the melting factor in the operation is 0.45. a continuous fillet weld is to be made with a cross-sectional area of 23 mm2 determine the travel speed at which the welding can be accomplished.
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A piston-cylinder device contains 6.5 kg of refrigerant-134a at 800 kPa and 70°C. The refrigerant is...
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