Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN: 9781337399128
Author: Russell E. Smith
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 1, Problem 4RQ
Electrical shock occurs when a person _________.
- a. touches an insulated wire
- b. touches an electric motor
- c. becomes part of an electric circuit
- d. touches a conductor that has power applied to it, but is making contact with a ground
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
(CILO1) Describe what happens to the external effect of
the ball if it experiences:
a. ΣF = 0,ΣΜ # 0
ΣF ± 0,ΣΜ = 0
ΣF = 0,Σ Μ = 0
ΣF ± 0,ΣΜ # 0
b.
c.
d.
The type of hazard whereby sparks are generated electrically is called:
Explosion
contact
fires
strain.
Which of the following property the insulating
material should possess to ensure gripping the
cable?
O High insulation resistance properties
O Good Mechanical properties
O High conductivity properties
High dielectric strength properties
Chapter 1 Solutions
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
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...
Knowledge Booster
Learn more about
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
- What happens to an electrical circuit when there is unwanted resistance in it?arrow_forwardHow will an electrical circuit behave if there is a short in the circuit?arrow_forwardWhile discussing copper wire: Technician A says that if the length of wire is doubled, the resistance between the wire ends is doubled. Technician B says that if the diameter of a wire is doubled, the resistance between the wire ends is doubled. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forward
- What are the two types of wires and which is the most commonly used in automobiles?arrow_forwardTrue or False? The strength of the magnetic field in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them.arrow_forwardFish in lakes beside power plants, which use lake water for cooling, are subject to the danger of suffocation as a consequence of "thermal pollution", because _____________________. a. dissolved oxygen decreases as temperature of the lake waters increase b. dissolved oxygen increases in the lake waters c. gas solubility increases as temperature goes up d. the power plant noise disturbs the fisharrow_forward
- Nonmetallic-Sheathed Cable (NM) shall be permitted to be derated from the 90 degrees C temperature rating provided the final derated ampacity does not exceed that for ________. A. 50 degrees CB. 60 degrees CC. 75 degrees CD. 90 degrees Carrow_forwardWhile measuring the resistance of a wire with an ohmmeter: Technician A says that if low resistance is shown on the meter, the wire is shorted. Technician B says that if no resistance is measured, the wire is shorted. Who is correct? Technician A Technician B Both A and B d. Neither A nor Barrow_forwardWhat are the two types of wires and which is the mostcommonly used in automobiles?arrow_forward
- A material which conducts electricity only at high temperature is termed as _______________.arrow_forwardWhy wires are covered by rubber or plastic covering?arrow_forwardTrue or False 1. It is acceptable to use a hoist to lift something that weighs more than the rating on the hoist when the load is lifted carefully. 2. Typically, combustible material accidents occur at higher temperatures while flammable material accidents occur at room temperature. 3. Water reactive chemicals include calcium carbide, cyclooctene, metal hydrides, and metals like sodium and potassium. 4. When driving material lifting equipment, workers should maintain at least a 5-foot clearance from overhead power lines. 5. Workers should use at least 2 straps placed equally from the center when lifting a long I-beam. ******************************************************************************************** Multiple Choice 1. Which of the following chemicals is not considered a liver toxin? A. Glacial acetic acid B. Carbon Tetrachloride C. Ethanol D. Trichloroethylene 2. Which of the following is a safety practice intended to protect workers from a lightning strike? A. Use a metal…arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Automotive Technology: A Systems Approach (MindTa...Mechanical EngineeringISBN:9781133612315Author:Jack Erjavec, Rob ThompsonPublisher:Cengage Learning
Refrigeration and Air Conditioning Technology (Mi...Mechanical EngineeringISBN:9781305578296Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill JohnsonPublisher:Cengage Learning
Automotive Technology: A Systems Approach (MindTa...
Mechanical Engineering
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Cengage Learning
Refrigeration and Air Conditioning Technology (Mi...
Mechanical Engineering
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:Cengage Learning
Explanation of Solidification of Metals & Alloys | Manufacturing Processes; Author: Magic Marks;https://www.youtube.com/watch?v=G5z9KknF_s8;License: Standard Youtube License