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 47, Problem 16RQ
Which 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 valve
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Chapter 47 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 47 - When a chiller is used, the secondary refrigerant...Ch. 47 - What are the two basic categories of chillers?Ch. 47 - Three types of compressors are used for chillers:...Ch. 47 - Blocked suction cylinder unloading is accomplished...Ch. 47 - True or False: The capacity control for a screw...Ch. 47 - Which of the following methods are used to...Ch. 47 - Describe a direct-expansion versus a flooded...Ch. 47 - What is the purpose of multiple passes in a...Ch. 47 - The approach temperature for the evaporator is A....Ch. 47 - What type of water-cooled condenser is used in...
Ch. 47 - The compressor used in low-pressure chillers is...Ch. 47 - List the types of metering devices used with...Ch. 47 - The subcooling temperature in a condenser can be...Ch. 47 - What causes a surge in a centrifugal chiller?Ch. 47 - Why is it important to keep an operating log on a...Ch. 47 - Which of the following metering devices is used in...Ch. 47 - The purge unit in a low-pressure chiller removes...Ch. 47 - In an absorption chiller, _______is used to create...Ch. 47 - The types of energy used to power a typical...Ch. 47 - True or False: Some absorption machines are...Ch. 47 - What is the common refrigerant used in absorption...Ch. 47 - How is capacity control accomplished with a...Ch. 47 - True or False: Single-phase induction,...Ch. 47 - Describe how a wye-delta is started and runs.Ch. 47 - Why is it important to have phase protection for...
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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
What advantage does a thermostatic expansion valve have over a capillary tube?
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What advantage does a capillary tube have over a thermostatic expansion valve?
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An automatic expansion valve system responds to an overcharge of refrigerant by A. low suction pressure. B. high head pressure. C. a flooded compressor. D. both B and C
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Which of the following statements is not true about orifice tube systems? The suction line must be cool to the touch from the evaporator outlet to the compressor. The liquid line from the condenser outlet to the evaporator inlet should be cool. The evaporator should feel very cold. The accumulator must be cool to the touch.
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What determines the amount of refrigerant that flows through a capillary tube metering device?
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Which of the following is true regarding a reheat water circuit that utilizes two-way modulating valves?
A. The water is always circulating and is not prone to coil freeze-up.
B. The flow rate is always constant through the reheat water circuit.
C. The pump must be able to vary its flow.
D. The reheat coil is equipped with a bypass pipe.
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What is the purpose of multiple passes in a chiller evaporator?
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Induced-draft condensers are typically used with units that have _____defrost. A. automatic B. manual
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The line that carries refrigerant into the metering device is the A. suction line. B. discharge line. C. liquid line.
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