Electricity for Refrigeration, Heating, and Air Conditioning
9th Edition
ISBN: 9781285179988
Author: Russell E. Smith
Publisher: Cengage Learning
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Chapter 1, Problem 11RQ
True or False: It is recommended that at least one person on a truck know CPR.
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TRUE OR FALSE: The pressure variation from any point to another will be determined by applying Newton’s second law.
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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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- Technician A says that coolant hoses should be squeezed to check for hardening or softening. Technician B says that coolant hoses should be visually inspected for swelling and cracks. Who is correct?arrow_forwardTwo technicians are discussing a coolant drain and refill. Technician A says that draining the coolant removes all coolant from the system. Technician B says that any trapped air in the system will bleed itself out automatically. Who is correct? Select one: a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forward2.A. You can usually check for a leak in a vacuum system by looking at or feelingA. at the exhaust of the vacuum pump.B. at the vacuum gauge at the vacuum pump.C. for signs of dirt on the piping. 2.B. When you measure the voltage drop across a set of contacts, you'reA. checking the quality of the contact set.B. sensing how much current is flowing in the circuit.C. measuring the equivalent motor resistance. 2.C. A chain-drive system can be aligned easier than a belt-drive system since the chain-drive systemA. can have a string left on the sprockets after the alignment is complete.B. can have the chain removed while the final alignment is taking place.C. is less critical to misalignment.arrow_forward
- Laser Based Interferometers are used to measure air velocity and pressure. a. False b. Truearrow_forwardCoolant hoses are being discussed. Technician A states that many manufacturers recommend coolant hose replacement on a maintenance schedule. Technician B states that coolant hoses can fail prematurely due to contamination by oil. Who is correct? Select one: a. Technician A only b. Technician B only c. Both Technicians A and B d. Neither Technician A nor Barrow_forwardThe following transducer is used to measure the temperature. a. Bourdon tube b. Bellows c. Thermocouple d. Strain Gaugearrow_forward
- What types of information should be covered in a respirator training program?arrow_forwardInstruction: Explain why is it impOrtant 10 calibrate the pressure gauge.arrow_forwardA technician is inspecting a vehicle and finds the upper radiator hose is collapsed, and the cooling system pulled into a vacuum when cold. Technician A states that a leak in the surge tank could be the cause. Technician B states that the radiator cap is most likely defective. Who is correct? Select one: a. Technician A only b. Technician B only c. Both Technicians A and B d. Neither Technician A nor Barrow_forward
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