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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Question
Chapter 46, Problem 6RQ
To determine
The appropriate word to fill in the blank.
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How can an evaporator be tested for efficiency?
The typical temperature difference between the enteringair and the boiling refrigerant on a standard airconditioningevaporator is ______°F.
When assembling refrigerant lines on the job, the tubing should be kept _______.
Select the answer below:
A. Clean
B. All of the above
C. Free of kinks
D. Dry
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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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
- The approach temperature for the evaporator isA. the difference between the suction and head pressuresconverted to temperature.B. the difference between the refrigerant boiling temperatureand the suction-line temperature.C. the difference between the refrigerant boiling temperatureand the inlet water temperature.D. the difference between the refrigerant boiling temperatureand the leaving-water temperature.arrow_forwardWhy do some condensers have to be cleaned with brushes and others with chemicals?arrow_forwardHow is expansion in hot water pipes handled?arrow_forward
- 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.arrow_forwardWhen condenser tubes become fouled, they may be cleaned by A. using a steel brush. B. using a brass brush. C. using a chisel and hammer. D. running a mixture of sand and water through them.arrow_forwardWhat kind of circuit balancing valve is used in the hot and chilled water piping? a. balancing globe valve b. shut-off balancing valve c. pressure balancing valve d. pressure by-pass valvearrow_forward
- Why do some condensers have to be cleaned with brushesand others with chemicals?arrow_forwardList seven advantages that an aluminum parallel- flow,plate/fin evaporator has over a standard round, coppertubeplate/fin evaporator.arrow_forwardThe design boiling point for most evaporator coils in residential air-conditioning is __________ °F.arrow_forward
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