What kind of heat energy is the heat of compression?
A. Chemical
B. Electrical
C. Mechanical
D. Nuclear
Ans: C. Mechanical
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What is the function of stirrups? Sketch commonly used open-loop and closed-loop stirrups.
What will be an ideal response?
Technician A says that one reason all main and rod bearings should be kept in order during engine disassembly is in case they will be reused. Technician B says that there is no need to keep bearings in order if new parts are to be used. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
Chlorofluorocarbons are a group of compounds consisting of which of the following?
a. chlorophyll, fluorescent gas, radon, and carbon b. chlorine, fluorine, carbon, and hydrogen c. Chlorine bleach, fluorescent gas, and carbons d. water vapor, chlorine, radon, and carbon
When charging a refrigeration system with a near-azeotropic mixture, what must be done to prevent liquid from entering the system?
A. Charge only as a vapor through the high side. B. Charge only liquid through the high side. C. Charge as a liquid through the low side using a restrictor. D. Charge as a vapor through the low side using a resistor.