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 11RQ
To determine
The process to move heavy equipments across a rooftop.
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Describe the difference between a carrying capacity graph and what causes it's shape?
Explain with a neat block diagram the measurement of temperature using a thermocouple (measuring system).
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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- ...... ..... will extend the life of the equipment.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_forwardThe moment arm is defined as a. the distance from the point of application of a force to a specified axis of rotation b. the distance from the line of action of a force to a specified axis of rotation c. the perpendicular distance from the line of action of a force to a specified axis of rotation d. all of the above e. none of the above this is for biomechanicsarrow_forward
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