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 40, Problem 6RQ
High-efficiency air-conditioning systems may use a(n) ______rather than a fixed-bore metering device.
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Which metering device is most efficient in heat pumps?A. A thermostatic expansion valveB. An automatic expansion valveC. A capillary tubeD. An orifice or restrictor
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Usually evaporator pressure in refrigeration system is ____________
A.
120 kN/mm2
B.
0.12 N/mm2
C.
0.12 N/cm2
D.
120 N/mm2
Chapter 40 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 40 - The standard design conditions for...Ch. 40 - The typical temperature relationship between a...Ch. 40 - The evaporator will normally operate at a(n)...Ch. 40 - A typical temperature relationship between a...Ch. 40 - How is condenser high efficiency obtained?Ch. 40 - High-efficiency air-conditioning systems may use...Ch. 40 - What does the head pressure do If the suction...Ch. 40 - What will cause the suction pressure to rise?Ch. 40 - The evaporator design temperature may in some...Ch. 40 - The seasonal energy efficiency ratio (SEER)...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Why are digital scales preferred over other types for charging refrigeration and air-conditioning systems?arrow_forwardMany ratings for components of an air-conditioning system are not completely accurate due to many different operating conditions and are called ratings. A. nominal B. SEER C. high-efficiency D. standard-efficiencyarrow_forwardThe typical temperature difference between the enteringair and the boiling refrigerant on a standard airconditioningevaporator is ______°F.arrow_forward
- A typical standard-efficiency evaporator under standard conditions will operate at a temperature of A. 30F. B. 40F. C. 50F. D. 60F.arrow_forwardUnique characteristics of monoblock air conditioners in comparison to a split air conditioning systemarrow_forwardList two types of return air systems commonly found on residential air conditioning systems.arrow_forward
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