?Which component of the vapor compression refrigeration cycle significantly increases both temperature and pressure of the fluid?

A. ?evaporator
B. ?compressor
C. ?condenser
D. ?thermal expansion valve


Answer: B

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The point at which avalanche breakover occurs in a diode is known as the _____.

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In grafting, the lower part of the tree is called a _____

a. scion c. primary branch b. rootstock d. parent plant

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PROBLEM 3.105

A solid circular rod is made of a material that is assumed to be elastoplastic. Denoting by and ?Y, respectively, the torque and the angle of twist at the onset of yield, determine the angle of twist if the torque is increased to (a) (b) (c)

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Technician A says that electrons in a fuel cell flow from the cathode to the anode. Technician B says that electrons in a fuel cell flow from the anode to the cathode. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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