The wet coil static pressure drop is:
A) Higher than the dry coil static pressure drop.
B) Can only be determined when the coil is submerged in water.
C) About the same as the dry coil static pressure drop.
D) Lower than the dry coil static pressure drop.
[Ques. 2] The difference between a liquid receiver and a suction accumulator is that:
A) An accumulator is located on the high side just before the condenser.
B) Receivers receive the refrigerant that accumulators accumulate.
C) Receivers only allow liquid to leave while accumulators only allow vapor to leave.
D) A liquid receiver is used after the evaporator on the high side.
[Ques. 3] Increasing the airflow across a coil:
A) Increases the temperature drop across the coil.
B) Increases the static pressure drop across the coil.
C) Increases the latent cooling capacity of the coil.
D) Decreases the static pressure drop across the coil.
[Ques. 4] Which of the following is the most reliable and inexpensive thermometer used by technicians?
A) Glass-stem B) Digital C) Infrared D) Dial
[Ques. 5] The refrigerant is a high-pressure, warm, subcooled liquid at the inlet of the metering device. The state of the refrigerant is:
A) 100 percent liquid. B) 75 percent liquid. C) 50 percent liquid. D) 95 percent liquid.
Quick Reply
