Q 01 FDNY CERTIFICATION PREPARATION
GUIDE
◉ Q: In relation to the suction pressure of a compressor, the reading
on the oil pressure gauge should read in the range, closer to...
Answer: A: 15 to 30 PSI higher
◉ Q: When non-condensable gasses like air, oil vapor, or nitrogen
travel through a refrigerant system with the refrigerant they usually
accumulate in the...
Answer: A: Condenser
◉ Q: The advantage of forced draft cooling tower over natural draft
cooling tower is?
Answer: A: Smaller tower size
◉ Q: The sole refrigeration engineer on duty in a building is
permitted to leave the refrigeration system, when it is in operation,
only when...
Answer: A: they are relieved by another licensed refrigeration
engineer
, ◉ Q: A system controlled by a TXV shows high discharge pressure
and higher then normal sub-cooling. The cause is most probably at...
Answer: A: Refrigerant overcharge
◉ Q: Which of the following is a correct statement?
Answer: A: 2.5 gallons of water weighs 20.8 pounds
◉ Q: Liquid level gauge glasses are generally equipped with:
Answer: A: Automatic shut off valve only
◉ Q: Copper and aluminum are frequently used for condenser tubes
in refrigeration system. These metals are used because of their:
Answer: A: High heat transfer coefficient
◉ Q: Assume that a refrigerant engineer has a choice of four valves
to select from. Which of the following is the most effective type of
valve to control pressure?
Answer: A: Plug valve
◉ Q: Where must the Material Safety Data Sheets be located?
Answer: A: Where it is available to all employees
◉ Q: The oil collected in the oil separator is generally...
GUIDE
◉ Q: In relation to the suction pressure of a compressor, the reading
on the oil pressure gauge should read in the range, closer to...
Answer: A: 15 to 30 PSI higher
◉ Q: When non-condensable gasses like air, oil vapor, or nitrogen
travel through a refrigerant system with the refrigerant they usually
accumulate in the...
Answer: A: Condenser
◉ Q: The advantage of forced draft cooling tower over natural draft
cooling tower is?
Answer: A: Smaller tower size
◉ Q: The sole refrigeration engineer on duty in a building is
permitted to leave the refrigeration system, when it is in operation,
only when...
Answer: A: they are relieved by another licensed refrigeration
engineer
, ◉ Q: A system controlled by a TXV shows high discharge pressure
and higher then normal sub-cooling. The cause is most probably at...
Answer: A: Refrigerant overcharge
◉ Q: Which of the following is a correct statement?
Answer: A: 2.5 gallons of water weighs 20.8 pounds
◉ Q: Liquid level gauge glasses are generally equipped with:
Answer: A: Automatic shut off valve only
◉ Q: Copper and aluminum are frequently used for condenser tubes
in refrigeration system. These metals are used because of their:
Answer: A: High heat transfer coefficient
◉ Q: Assume that a refrigerant engineer has a choice of four valves
to select from. Which of the following is the most effective type of
valve to control pressure?
Answer: A: Plug valve
◉ Q: Where must the Material Safety Data Sheets be located?
Answer: A: Where it is available to all employees
◉ Q: The oil collected in the oil separator is generally...
