Value of the probability density function
Suppose that the moment generating function of a randon variable X is given by
MX(t)=(2/(2-t))3
What is the value of the probability density function at x=1, that is fX(1)?
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Assuming no transfer of heat to or from the surroundings, what is the final temperature (in degrees C) of the system?
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Consider an ideal vapor-compression refrigeration cycle. The refrigerator employs Refrigerant 134a as the working fluid and operates at steady state. Determine compressor power, in kW.
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A solenoid used to produce magnetic fields for research purposes is 2.5m long, with an inner radius of 30cm and 1200 turns of wire. When running, the solenoid produced a field of 1.1T in the center. Given this, how large a current does it carry?
Determine the reduction in the exit temperature of the compressed air and the compressor power saved. Assume water vaporizes completely before leaving the compressor.
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