Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN: 9781337399128
Author: Russell E. Smith
Publisher: Cengage Learning
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Chapter 5, Problem 19RQ
Identify the following symbols for safety devices.
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11. According to the OSHA Hazard Communication Standard, seven types of hazard identification are
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Select one:
True
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Among the following materials,
which one is non-metal
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Chapter 5 Solutions
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
Ch. 5 - What are the three types of electrical diagrams...Ch. 5 - A load is an electrical device that __________. a....Ch. 5 - What is the major load of an air-conditioning...Ch. 5 - Identify the following symbols for loads:Ch. 5 - Prob. 5RQCh. 5 - What do the terms normally open and normally...Ch. 5 - What is the difference between a magnetic starter...Ch. 5 - Prob. 8RQCh. 5 - Draw a heating and a cooling thermostat and...Ch. 5 - A three-pole contactor would allow how many paths...
Ch. 5 - A disconnect switch is used to __________. a. open...Ch. 5 - What determines whether a pressure switch opens or...Ch. 5 - Identify the following symbols for...Ch. 5 - What is the difference between a thermal overload...Ch. 5 - What is the purpose of a transformer? Draw the...Ch. 5 - Which of the following is not a requirement for an...Ch. 5 - What is the purpose of a legend on a schematic...Ch. 5 - A factual diagram is _____. a. a pictorial diagram...Ch. 5 - Identify the following symbols for safety devices.Ch. 5 - Prob. 20RQCh. 5 - True or False: The schematic diagram tells service...Ch. 5 - What is the difference between a pilot duty and a...Ch. 5 - What type of switch would be used to open or close...Ch. 5 - What is the purpose of a fuse in an electrical...Ch. 5 - True or False: A solenoid valve is a device that...Ch. 5 - What is a signal light used for in a control...Ch. 5 - Change the following normally open elements from...Ch. 5 - Draw the symbols for the following electrical...Ch. 5 - Add letter designations to the symbols to indicate...Ch. 5 - Draw a symbol for a magnetic starter.
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- What do the letters A, B, and C mean on a fire extinguisher?arrow_forwardWhat are three commonly used codes?arrow_forwardFrom the following identify a true statement. O In electrical safety precaution, defective and worn-out electric fittings needed only repair with out replacement. In general safety precaution, all guards should be place before running the machine. In electrical safety precaution, inflammable materials can be kept near to electrical controls. O Housekeeping safety precaution is that during cleaning always use brushes and gloves.arrow_forward
- From the following identify the true statement. OIn general safety precaution, the operator should know the procedure to switch OFF the power and lock it in position. O In housekeeping safety precaution, compressed air should not be used to clean the machine. O In electrical safety precaution, all non- metallic parts externally accessible must always be earthed. O In general safety precaution, the inflammable materials need not be kept near to electrical controlsarrow_forwardFrom the following identify the false statement. O In electrical safety precaution, necessary steps should be taken to avoid overloading of electrical circuits. In general safety precaution, the machine tool should be cleared with metal chips after the machining process. OIn housekeeping safety precaution, the machine should be cleared with tools before starting the operation. O In general safety precaution, the operator should be familiar with the emergency stop button on the machines. Clear my choice piner (8).pdf Type here to search TCLarrow_forwardspecific weight is also known as weight. select one: True Falsearrow_forward
- 3. Identify and explain the safety procedures and precautions that should be followed for fire prevention and safety?arrow_forwardWhich of the following statement is incorrect? Select one: Building structure is an example of space frame. Tripod is an example of redundant frame. space structure is an example of space frame. Tripod is an example of Space frame.arrow_forwardIdentify the wrong statement for the material properties in the following. O a. Depends on the electronic structure of atoms. O b. Depends on the composition of atoms. c. Depends on the shape and size of the crystals. d. Depends on the arrangement time of atoms.arrow_forward
- From 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_forwardThe type of hazard whereby sparks are generated electrically is called: Explosion contact fires strain.arrow_forwardwhat is the standard length and diamater of a drinking strawarrow_forward
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