The __________ is the difference between the temperature of the air being supplied to the occupied space and the temperature of the air returning to the air handler.
A. evaporator coil temperature
B. evaporator temperature differential
C. condenser temperature differential
D. occupied space adjustment
Answer: B
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The proper term for Vise Grips is ________
A) Side cuts B) Multigroove adjustable pliers C) Slip joint pliers D) Locking pliers
When metering in zeotropes, why must the liquid flash off to vapor before entering the compressor?
A) To ensure maximum efficiency throughout the system B) To prevent too much liquid from damaging the compressor C) To ensure the unit and cylinder remain in a saturated state D) To prevent the system from freezing solid
Which statement regarding high voltage circuitry in HEVs is NOT correct?
A) The system may be energized with the ignition ON and the engine OFF. B) The system is disabled when the ignition switch is off. C) The system is energized when the ICE is running and the vehicle is accelerating. D) The HV system is not energized when the ICE is in idle stop mode and the electric A/C compressor is running.
Define sub-cooling.
What will be an ideal response?