Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Textbook Question
Chapter 43, Problem 5RQ
When is the outdoor unit called an evaporator?
A. Heating season
B. Cooling season
C. Defrost periods
D. Spring and fall seasons
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9
Which of the following causes cooling in the room?
a.
Generator
b.
Absorbor
c.
Evaporator
d.
Condenser
10. A crankcase heater is used to warm a compressor to
prevent the condensing of
the crankcase.
A. moisture inside
B. moisture outside
C. oil inside
-D. refrigerant inside
Which list states the correct order of components for the absorption refrigeration? A) Evaporator, then absorber, then concentrator, then condenser. B) Absorber, then condenser, then evaporator, then concentrator. C) Condenser, then absorber, then concentrator, then evaporator.
Chapter 43 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 43 - How does a heart pump resemble a refrigeration...Ch. 43 - Name the three common sources of heat for heat...Ch. 43 - What large line connects the indoor unit to the...Ch. 43 - Why is the indoor unit not called an evaporator?Ch. 43 - When is the outdoor unit called an evaporator? A....Ch. 43 - The indoor coil is called a condenser during...Ch. 43 - Why is it important to have drainage for the...Ch. 43 - Which metering device is most efficient in heat...Ch. 43 - Where is the only permanent suction line on a heat...Ch. 43 - What type of drier may be used in the liquid line...
Ch. 43 - Where must a suction-line drier be placed in a...Ch. 43 - What controls the heat pump to determine whether...Ch. 43 - Can a heat pump switch from heating to cooling and...Ch. 43 - What must be done when frost and ice build up on...Ch. 43 - True or False: All heat pumps are practical...Ch. 43 - Why are scroll compressors more efficient than...Ch. 43 - Describe why variable-speed compressor motors are...
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- 17- Where does liquid ammonia change into its low pressure vapors? a. Absorbor b. Generator c. Condenser d. Evaporator Clear my choicearrow_forwardIf the compressor and condenser fan motor will not operate but the indoor fan motor is operating, what would be the probable cause of the malfunction? a. Bad contactor coil b. Bad thermostat c. Bad condenser fan motor d. Bad compressorarrow_forwardIn what form or phase is the total mass of water held within the cotton bales at the end of the conditioning period. a. vapor or gas b. supercooled fluid c. condensed or liquid d. vapor-liquid mixturearrow_forward
- The indoor coil is called a condenser during the______season.arrow_forwardWhich process would best represent the opposite ofexhausting air from a system?A. CoolingB. VentilatingC. HeatingD. Filteringarrow_forwardWhich device can be used to recover waste heat from flue gas? a. flue gas recoverer b. boiler saver c. energy saver d. feedwater economizerarrow_forward
- c) Explain the layout and the basic operation of a centralized air conditioning system(or chiller system).arrow_forwardWhich of the following components is NOT a type of ventilation system? Select one: a. Airconditioning Units b. Venting Skylight c. Boilers d. Exhaust Fansarrow_forwardHeat expulsion occurs in what section of a heat pump system when operating in the heat mode? A. accumulator B. evaporator C. receiver D. condenserarrow_forward
- Quality means _________ when referring to a refrigerant.arrow_forwardWhich of the following metering devices is used in low-pressure chillers? A. A low- or high-side float B. A capillary tube C. An automatic expansion valve D. A thermostatic expansion valvearrow_forwardDescribe what happens when an absorption chiller is operated when the cooling tower water is too cold.arrow_forward
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