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Modern Refrigeration and Air Conditioning Chapter 47
Chapter 47
1. A parallel compressor rack is an arrangement of compressors piped in parallel sharing the following devices in
common, except a(n) _______.
a. Air curtain
b. Liquid line
c. Liquid receiver
d. Suction line
2. A distributed system is a commercial refrigeration unit that circulates refrigerant through nearby coolers and contains
only ____.
a. Compressors
b. Condensers
c. Evaporators
d. Refrigerant metering devices
3. During periods of low cooling demands, some liquid-cooling refrigeration systems form a solid block of ice around the
evaporator called an _______.
a. Ice advantage
b. Ice bank
c. Ice block
d. Ice cube
4. The rapid controlled cooling of cooked food to inhibit bacteria and germ growth is performed by
a. Blast chillers and quick chillers
b. Blast dispensers and quick merchandisers
c. Distributed systems and ice machines
d. Open and glass-enclosed display cases
5. Floral refrigeration systems typically used a(n) _____ evaporator to account for floral item fragility.
a. Flooded
b. High-velocity
c. Immersed
d. Low-velocity
6. Open display cases and some glass-enclosed display cases use a(n) _______, which is a stream of air that blows
between a conditioned space and an unconditioned space to isolate the two areas.
a. Are barrier
b. Air curtain
c. Blast chiller
d. Sneeze guard
7. A beverage dispenser that cools its dispensing liquid using the same ice that is dispensed for drinks is ______ chilled.
a. Actively
b. Cryogenically
c. Passively
d. Subcooler
8. A water cooler that has a plumbed water supply and drain connections is a(n) ______ water cooler.
a. Ice
b. Self-contained
c. Tap
d. Walk-in
9. A standalone water cooler that has its own water supply from a tank and does not have a drain is a(n) ______ water
cooler.
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Modern Refrigeration and Air Conditioning Chapter 47
Chapter 47
1. A parallel compressor rack is an arrangement of compressors piped in parallel sharing the following devices in
common, except a(n) _______.
a. Air curtain
b. Liquid line
c. Liquid receiver
d. Suction line
2. A distributed system is a commercial refrigeration unit that circulates refrigerant through nearby coolers and contains
only ____.
a. Compressors
b. Condensers
c. Evaporators
d. Refrigerant metering devices
3. During periods of low cooling demands, some liquid-cooling refrigeration systems form a solid block of ice around the
evaporator called an _______.
a. Ice advantage
b. Ice bank
c. Ice block
d. Ice cube
4. The rapid controlled cooling of cooked food to inhibit bacteria and germ growth is performed by
a. Blast chillers and quick chillers
b. Blast dispensers and quick merchandisers
c. Distributed systems and ice machines
d. Open and glass-enclosed display cases
5. Floral refrigeration systems typically used a(n) _____ evaporator to account for floral item fragility.
a. Flooded
b. High-velocity
c. Immersed
d. Low-velocity
6. Open display cases and some glass-enclosed display cases use a(n) _______, which is a stream of air that blows
between a conditioned space and an unconditioned space to isolate the two areas.
a. Are barrier
b. Air curtain
c. Blast chiller
d. Sneeze guard
7. A beverage dispenser that cools its dispensing liquid using the same ice that is dispensed for drinks is ______ chilled.
a. Actively
b. Cryogenically
c. Passively
d. Subcooler
8. A water cooler that has a plumbed water supply and drain connections is a(n) ______ water cooler.
a. Ice
b. Self-contained
c. Tap
d. Walk-in
9. A standalone water cooler that has its own water supply from a tank and does not have a drain is a(n) ______ water
cooler.
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