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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Chapter 46, Problem 9RQ
To determine
The correct option for the given statement.
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Students have asked these similar questions
Heat expulsion occurs in what section of a heat pump system when operating in the heat mode?
A. accumulator
B. evaporator
C. receiver
D. condenser
1. An air-source heat pump is a heat-pump system that uses air:
a. as the system refrigerant.
b. as the heat source when operating in the cooling mode.
c. as the heat sink when operating in the heating mode.
d. as the heat source when operating in the heating mode.
2. According to the Department of Energy, duct leakage can result in a energy loss?
a. 10%
b. 20%
c. 30%
d. 40%
3. As the outside ambient temperature drops, the efficiency of a heat-pump system operating in the mode will:
a. heating, drop
b. heating, rise
c. cooling, rise
d. Both a and c are correct.
Choose correct answer:
In the heat pump system, the heat is usually rejected by ______________
A.
expansion device
B.
compressor
C.
condenser
D.
evaporator
Chapter 46 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 46 - A typical room air-conditioning unit has _____(one...Ch. 46 - Prob. 2RQCh. 46 - The line that carries refrigerant into the...Ch. 46 - Prob. 4RQCh. 46 - Prob. 5RQCh. 46 - Prob. 6RQCh. 46 - Prob. 7RQCh. 46 - Prob. 8RQCh. 46 - Prob. 9RQCh. 46 - Prob. 10RQ
Ch. 46 - Prob. 11RQCh. 46 - Prob. 12RQCh. 46 - Describe the operation of the exhaust and...Ch. 46 - Why should gauges be installed only after there is...Ch. 46 - Prob. 15RQCh. 46 - Prob. 16RQCh. 46 - During the heat pump heating cycle, the hot gas...Ch. 46 - What are two methods used to evaporate condensate...
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- What controls the heat pump to determine whether it is in the heating cycle or the cooling cycle?arrow_forwardWhere is the only permanent suction line on a heat pump?arrow_forwardA(n) ______well draws water from the top of thewater column, circulates it through the heat pump, and then returns the water to the bottom of the water column.arrow_forward
- Where must a suction-line drier be placed in a heat pump after a motor burnout?arrow_forwardWhat must be done when frost and ice build up on the outdoor coil of a heat pump?arrow_forwardFind the true order of the components of the refrigeration cycle? a) Evaporator-Compressor-Condenser-Expansion valve b) Condenser-Expansion valve-Evaporator-Compressor c) Evaporator-Compressor-Expansion valve-Condenser d) Expansion valve-Condenser-Compressor-Evaporator e) Compressor-Expansion valve-Condenser-Evaporatorarrow_forward
- The expansion valve of a refrigeration cycle regulates: Select one: a. The amount of air entering to the compressor b. The amount of water entering to the condenser c. The amount of air entering to the evaporator d. The amount of Refrigerant gas entering to the evaporatorarrow_forward8) Which of the following components is NOT within the refrigeration cycle?A: Expansion valveB: CompressorC: EvaporatorD: Extractorarrow_forwardIs air conditioner an open or closed system?arrow_forward
- Which is the example of heat sink? Select one: O a. Combustion chamber O b. Boiler O .river O d. Nuclear Reactorarrow_forwardThe use of a expansion device in a heat pump system is to ___________ A. Reduce the pressure, not temperature B. Reduce the temperature, not pressure C. reduce flowrate D. Reduce the temperature and pressurearrow_forwardMatch the following to its correct definition a. boilerb. condenserc. reheaterd. open feedwater heatere. closed feedwater heaterf. turbineg. pump> It is where bled steam and/or water at different temperatures mix. It is where water is converted to steam.>It cools the condenser circulating water.>It is used to increase the pressure and/or elevation of feedwater.>It is where feedwater temperature increases as the steam condenses on the outside of the tubes carrying the feedwater. >It is where additional heat is absorbed by intermediate-pressure steam. >It is where power is developed due to the passage of steam to blades attached to a shaft allowed to rotate. >It is where exhaust steam rejects heat and condenses.arrow_forward
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