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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 12RQ
List the types of metering devices used with high-pressure chillers.
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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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- Describe a direct-expansion versus a flooded evaporator.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_forwardWhat is commonly used to defrost the ice from a low-temperature evaporator?arrow_forward
- What is the purpose of multiple passes in a chiller evaporator?arrow_forwardDescribe what happens when an absorption chiller is operated when the cooling tower water is too cold.arrow_forwardList seven advantages that an aluminum parallel-flow, plate/fin evaporator has over a standard round, copper-tube plate/fin evaporator.arrow_forward
- Define a parallel compressor system and list five advantages of these systems.arrow_forwardThe four types of gas furnace airflow patterns are _______, ______, _____, and______.arrow_forwardIf a hot water reheat coil is installed with a two way modulating valve. A. The VAV box can only be used for a heating-only application . B. A variable volume circulating pump must be used. C. A constant volume circulating pump can be used. D. The VAV box can only be used for a cooling-only applicationarrow_forward
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