Electricity for Refrigeration, Heating, and Air Conditioning
9th Edition
ISBN: 9781285179988
Author: Russell E. Smith
Publisher: Cengage Learning
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Textbook Question
Chapter 1, Problem 20RQ
List at least five electrical safety rules that should be followed by refrigeration, heating, and air-conditioning technicians.
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Describe how Home Safety is applied in your own household.
Give three(3 each) specific important safety precautions in handling the following gadgets/devices:
1. heater
2. Air conditioner
3. computer system
1. Explain the three controls of hazards.
Chapter 1 Solutions
Electricity for Refrigeration, Heating, and Air Conditioning
Ch. 1 - True or False: A heating and air-conditioning...Ch. 1 - What is a live electrical circuit?Ch. 1 - Which of the following voltages will a...Ch. 1 - Electrical shock occurs when a person _________....Ch. 1 - What are the important elements of electrical...Ch. 1 - Prob. 6RQCh. 1 - Which of the following is the standard by which...Ch. 1 - Prob. 8RQCh. 1 - What type of ladder should the technician use on...Ch. 1 - What precautions should be taken when you see a...
Ch. 1 - True or False: It is recommended that at least one...Ch. 1 - True or False: The correct fuse size for an...Ch. 1 - What is the difference between a two-prong plug...Ch. 1 - Which prong on a three-prong plug is the ground?...Ch. 1 - True or False: A grounding adapter does no good if...Ch. 1 - An electrical device that will open an electrical...Ch. 1 - True or False: Receptacles used on the job site...Ch. 1 - What precautions should you use when working in an...Ch. 1 - What is the difference between a fuse and a...Ch. 1 - List at least five electrical safety rules that...
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- Which of the following would not increase the rate of heat transferred from a heater pipe? A. Insulating with materials whose thickness is below that of critical thickness for insulation. B. Blowing air over it C. Providing fins D. Placing the heater pipe within another whose thermal conductivity is smaller in number and 2 inches thickarrow_forwardList at least five precautions that must be adhered to while working on a vehicle with a high-voltage system.arrow_forwardWhich of the following systems generate more energy when used in industrial applications? a. pneumatic systems b. hydraulic systems c. none of the listed d. both systems generate same energyarrow_forward
- 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 tagarrow_forwardFrom the following identify the true statement relating to the term Preventive maintenance The maintenance done after the failure of machine and can't save energy during the process. O The maintenance done before the failure of machine and can save energy during the process. O The maintenance done before the failure of machine and can't save energy during the process. The maintenance done after the failure of machine and can save energy during the process.arrow_forwardDescribe the central air conditioning system. Explain its advantages.arrow_forward
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General Industrial Safety; Author: Jim Pytel;https://www.youtube.com/watch?v=RXtF_vQRebM;License: Standard youtube license