Quiz
4.10 Refrigeration Principles and Systems
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Fragen in diesem Quiz (10)
1In a two stage, duplex compressor refrigeration system, the condenser for the first stage is the ______ for the second stage.
- AEliminator
- BPurger
- CReceiver
- DEvaporator
- ELiquid cooler
2The major components of a high-pressure ammonia system are:
- ACompressor, condenser, oil purifier, high-pressure cutout, evaporator
- BCompressor, condenser, expansion valve, high-pressure cutout, evaporator
- CCompressor, condenser, expansion valve, oil purifier, evaporator
- DCompressor, condenser, expansion valve, high-pressure cutout, expansion valve
- ECompressor, condenser, expansion valve, liquid receiver, evaporator
3A/An _____ is usually provided between the low-pressure discharge and high-pressure suction of a multi-stage refrigeration system.
- ACondenser
- BReceiver
- CPurger
- DEvaporator
- EIntercooler
4The standard refrigeration cycle is used to compare refrigerants and machines operating under comparable conditions. These standard conditions are:
- A1030 kPa and atmospheric pressure
- B30deg c condensing and -15 deg c evaporating
- C30 kPa and atmospheric pressure
- D-30deg C condensing and 15 deg c evaporating
- E30 kPa and atmospheric temperature
5A reciprocating refrigerant compressor may have both a/an ______ and a/an ______.
- AMagnetic plug, integral air reciever
- BReverse osmosis membrane, emergency connecting rod
- COil foam breaker, magnetic plug
- DOil foam plug, magnetic foam breaker
- ETeflon drive coupling, reverse RPM indicator
6There are _____ basic elements common to most compression refrigeration systems.
- A2
- B3
- C4
- D5
- E6
7Most modern refrigeration systems make use of the principle of absorbing heat by:
- ACondensing refrigerant at low pressure
- BHigh evaporating pressures
- CThe evaporation of a liquid, and then discarding the heat to the atmosphere
- DEvaporation of brine
- EHigh condensing temperature and pressure
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:
- Ahf column and is 208.9kJ/kg
- Bhf and hg columns and is 1311.6 kJ/kg
- Chf column and is 114.905 kJ/kg
- Dhf column and is 0.508788 kJ/kg
- Ehg column and is 658.519 kJ/kg
9The liquid receiver in a refrigeration system is a/an:
- AOil storage unit
- BStorage vessel for liquid brine
- CContaminated liquid storage tank
- DSurge vessel for refrigerant
- EPressure vessel
10In a two-stage refrigeration system, the 1st stage compressor is also known as a _____ compressor.
- ABooster
- BStandby
- CLow volume
- DExtraction
- ERefrigerant
Informationen
- Beschreibung
- power engineering 3b2 Quiz am 4.10 Refrigeration Principles and Systems, erstellt von TRAVIS CANNING am 01/03/2016.
- Autor
- TRAVIS CANNING
- Sprache
- English
- Aufrufe
- 57
- Schlagwörter
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