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 7, Problem 12RQ
What is the most common cause of leaking compression fittings?
A. Cracked compression nut
B. Overtightening the compression nut
C. An improperly sized ring or ferrule
D. Both A and C are common causes of fitting leakage
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Chapter 7 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 7 - The standard weight of copper tubing used most...Ch. 7 - The size of 1/2 in. would refer to the...Ch. 7 - The size of 1/2 in. would refer to the _______...Ch. 7 - In what size rolls is soft copper tubing normally...Ch. 7 - Why are some ACR tubing lines insulated?Ch. 7 - Describe procedures for bending soft copper...Ch. 7 - Describe the procedure for cutting tubing with a...Ch. 7 - What type of solder is suitable for moderate...Ch. 7 - Describe the steps for making a good soldered...Ch. 7 - Describe the procedures for making a flare for...
Ch. 7 - The portion of a compression fitting that actually...Ch. 7 - What is the most common cause of leaking...Ch. 7 - A common filler material used for brazing is...Ch. 7 - When soldering, a flux is used to A. minimize...Ch. 7 - List the procedures used when setting up,...Ch. 7 - Describe the procedure for preparing and threading...Ch. 7 - Describe each part of the thread dimension 1/4-18...
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- Describe two types of benders for soft tubing.arrow_forwardWhat may happen to a tip seat if it is incorrectly tightened?arrow_forwardThe portion of a compression fitting that actually tightens against the tubing to create the leak-free seal is the A. union. B. coupling. C. compression nut. D. ring or ferrule.arrow_forward
- CG 50 in 75 in A=? B=100 lbs C=100 lbsarrow_forward126) Technician A says all gaskets should be discarded during teardown to keep the work area clean. Technician B says to keep the old valve body gaskets intact to make sure the replacement is a perfect matech. Which technician is correct? Technician A Technician B Both technicians A and B Neither technician A nor Barrow_forwardAn outward clinch tacker is used to A. bend wire on a pipe hook. B. install a pin rivet. C. drive roofing nails. D. spread the ends of a staple outward.arrow_forward
- The size of 1/2 in. would refer to the _______ with regard to ACR copper tubing. A. ID B. OD C. length D. fitting lengtharrow_forwardWhich one of the following reboiler requires more complex pipe work? Horizontal thermosyphon Vertical thermosyphon Internal Kettle type 8:44 AMarrow_forwardA compression test gave the following results: cylinder #1 = 155, cylinder #2 = 140, cylinder #3 = 110, cylinder #4 = 105. Technician A says that a defective (burned) valve is the most likely cause. Technician B says that a leaking head gasket could be the cause.arrow_forward
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