Refrigeration and Air Conditioning Technology (MindTap Course List)
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 50, Problem 8RQ

What is the acceptable method for communicating with the crane operator while rigging a unit to the roof?
A. Cell phones
B. Walkie-talkies
C. Hand signals
D. Verbal communications

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Which of the following is not a true of group lockout or tagout? a. Each employee working on the equipment is an authorized employee b. A supervisor may attach a lock for an entire work crew. c. Each person working on the equipment must have a lock or tag d. A supervisor should be the first or last person to attach a lock or tag
Lockout locks: Can be used to lock tool boxes, storage sheds, etc. b. Can be used only for lockout purposes. Are provided by the equipment manufacturer. d. a. C. Must be bright orange in color. Authorized employees must be trained: To recognize hazardous energy sources, and to know the type and magnitude of the hazardous energy sources. b. a. To perform the lockout/tagout procedure. C. When an audit shows deficiencies with the procedure. d. All of the above. When authorized employees perform a shutdown they must: a. Notify all affected employees that they are starting a lockout procedure, b. Locate all energy sources that power the equipment. Follow the procedures to shut down each machine. d. All of the above. с. If several people are needed to work on a piece of equipment: a. The first worker to arrive to the job is the one who applies the locks. b. Their supervisor is the only one who needs to apply a lock. c. Each worker must apply his or her own lock. d. The person who will be the…
As a crane contractor, what safety precautions should be followed to avoid accidents?
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