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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Chapter 4, Problem 12RQ
To determine
The precautions need to be taken while working with chemicals to clean a condenser.
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7. One precaution that needs to be followed in a work area displaying the sign shown above:
A. avoid using solvents.
B. wear a leather apron.
C. wear rubber gloves.
D. prohibit welding.
8. A length of copper pipe measures 15.3 m. According to a job's specifications, the pipe
needs to be cut into 3.2-m-long pieces. How many 3.2-m-long pieces of pipe can be cut
from the original 15.3-m-long copper pipe?
A. one
B. two
C. three
D. four
9. You observe a worker emptying used degreaser cleaning fl uid into the sink in a
workshop. What should you do?
A. Notify your immediate supervisor of the hazard the next day.
B. Refer the worker to the company policy manual.
C. Advise the worker that it is an occupational health and safety hazard.
D. Ignore the situation as there is nothing wrong with this disposal method.
Chapter 4 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 4 - Where would a technician encounter freezing...Ch. 4 - Which of the following can happen to a full...Ch. 4 - Why must nitrogen be used only with a regulator...Ch. 4 - What can happen when oil is mixed with oxygen...Ch. 4 - Trying to stop escaping liquid refrigerant with...Ch. 4 - Electrical shock to the body affects the _____.Ch. 4 - Electrical energy passing through the body causes...Ch. 4 - How can a technician prevent burning the...Ch. 4 - What safety precautions should be taken when...Ch. 4 - The third (green) wire on an electric drill is the...
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