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4.10 Refrigeration Principles and Systems

TRAVIS CANNING 10 questions

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Questions in this quiz (10)

  1. 1In a two stage, duplex compressor refrigeration system, the condenser for the first stage is the ______ for the second stage.
    1. AEliminator
    2. BPurger
    3. CReceiver
    4. DEvaporator
    5. ELiquid cooler
  2. 2The major components of a high-pressure ammonia system are:
    1. ACompressor, condenser, oil purifier, high-pressure cutout, evaporator
    2. BCompressor, condenser, expansion valve, high-pressure cutout, evaporator
    3. CCompressor, condenser, expansion valve, oil purifier, evaporator
    4. DCompressor, condenser, expansion valve, high-pressure cutout, expansion valve
    5. ECompressor, condenser, expansion valve, liquid receiver, evaporator
  3. 3A/An _____ is usually provided between the low-pressure discharge and high-pressure suction of a multi-stage refrigeration system.
    1. ACondenser
    2. BReceiver
    3. CPurger
    4. DEvaporator
    5. EIntercooler
  4. 4The standard refrigeration cycle is used to compare refrigerants and machines operating under comparable conditions. These standard conditions are:
    1. A1030 kPa and atmospheric pressure
    2. B30deg c condensing and -15 deg c evaporating
    3. C30 kPa and atmospheric pressure
    4. D-30deg C condensing and 15 deg c evaporating
    5. E30 kPa and atmospheric temperature
  5. 5A reciprocating refrigerant compressor may have both a/an ______ and a/an ______.
    1. AMagnetic plug, integral air reciever
    2. BReverse osmosis membrane, emergency connecting rod
    3. COil foam breaker, magnetic plug
    4. DOil foam plug, magnetic foam breaker
    5. ETeflon drive coupling, reverse RPM indicator
  6. 6There are _____ basic elements common to most compression refrigeration systems.
    1. A2
    2. B3
    3. C4
    4. D5
    5. E6
  7. 7Most modern refrigeration systems make use of the principle of absorbing heat by:
    1. ACondensing refrigerant at low pressure
    2. BHigh evaporating pressures
    3. CThe evaporation of a liquid, and then discarding the heat to the atmosphere
    4. DEvaporation of brine
    5. EHigh condensing temperature and pressure
  8. 8The difference in enthalpy of ammonia as a fluid at saturation conditions at 1165.8 kPa abs and 236.2 kPa abs is found in the:
    1. Ahf column and is 208.9kJ/kg
    2. Bhf and hg columns and is 1311.6 kJ/kg
    3. Chf column and is 114.905 kJ/kg
    4. Dhf column and is 0.508788 kJ/kg
    5. Ehg column and is 658.519 kJ/kg
  9. 9The liquid receiver in a refrigeration system is a/an:
    1. AOil storage unit
    2. BStorage vessel for liquid brine
    3. CContaminated liquid storage tank
    4. DSurge vessel for refrigerant
    5. EPressure vessel
  10. 10In a two-stage refrigeration system, the 1st stage compressor is also known as a _____ compressor.
    1. ABooster
    2. BStandby
    3. CLow volume
    4. DExtraction
    5. ERefrigerant

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Description
power engineering 3b2 Quiz on 4.10 Refrigeration Principles and Systems, created by TRAVIS CANNING on 01/03/2016.
Language
English
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