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Exam (elaborations)

NYC Refrigeration Exam Questions with Correct Answers

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  • Refrigeration machine operator
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  • Refrigeration Machine Operator

132-picture of pump - Answer-90* reducing elbow, pump suction, pump casing, pump discharge, check valve. 133-picture of a compressor - Answer-Oil charging port allows for the addition and removal of oil from the compressor 134- A facility has failed to maintain water treatment to a refrigerat...

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  • September 10, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nyc refrigeration exam questions with correct answ
  • 132 picture of pump answer 90 reducing elbow p

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  • Refrigeration machine operator
  • Refrigeration machine operator

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NYC Refrigeration Exam Questions with
Correct Answers
132-picture of pump - Answer-90* reducing elbow, pump suction, pump casing, pump
discharge, check valve.

133-picture of a compressor - Answer-Oil charging port allows for the addition and
removal of oil from the compressor

134- A facility has failed to maintain water treatment to a refrigeration system. - Answer-
Increase the condenser pressure

135-Which of these compressors is a non positive displacement type of compressor -
Answer-Centrifugal

136-Where is emergency power not required according to code? - Answer-Data centers

137-What is the most widely used regulation book by operating engineers? - Answer-
EPA

138-What type of refrigerant do you need FDNY approval for? - Answer-Propane

139-Centrifugal pump pressure is determined by? - Answer-Speed of motor

140-A single phase VAC circuit has 2 hot wires, the third is a? - Answer-ground

141-liquid refrigerant that has passed through the metering device is a? - Answer-Low
pressure saturated liquid

142-With a 75 degree dry bulb and 73 degree wet bulb the relative humidity is? -
Answer-Very high

143-After receiving liquid refrigerant from a centrifugal chiller, the next step is to? -
Answer-Recover vapor

144-Where is the muffler located? - Answer-Between the compressor and the
condenser

145-What is not required to be serviced annually? - Answer-Compressors

146-What is the advantage of a shell and tube condenser, as opposed to a shell and
coil condenser - Answer-Better heat transfer

147-Fusible plugs on a condenser? - Answer-The melting point is marked on it.

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