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 27, Problem 32RQ
To determine
Whether the statement is True or False.
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Chapter 27 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 27 - Which type of ice maker has a continuous harvest...Ch. 27 - Which type of ice is made using a gear motor and...Ch. 27 - What would be the symptoms of a defective float on...Ch. 27 - What are the two functions of the dual float...Ch. 27 - Which part of an ice flake machine is most prone...Ch. 27 - List two causes that may lead to auger wobble.Ch. 27 - What is the function of a flush cycle for an ice...Ch. 27 - Name and explain three types of ice bin controls...Ch. 27 - Ice production in an ice flake machine depends...Ch. 27 - Explain the function of weep holes on the...
Ch. 27 - True or False: Stainless steel is often used for...Ch. 27 - Explain what is meant by ice bridging in a...Ch. 27 - Explain the function of the centrifugal pump in...Ch. 27 - What is the function of the ice thickness probe in...Ch. 27 - Prob. 15RQCh. 27 - What is the most common type of defrost during an...Ch. 27 - Explain how liquid floodback to the compressor may...Ch. 27 - Prob. 18RQCh. 27 - Prob. 19RQCh. 27 - Prob. 20RQCh. 27 - Prob. 21RQCh. 27 - One of the quickest and most thorough ways of...Ch. 27 - Prob. 23RQCh. 27 - Prob. 24RQCh. 27 - True or False: Entering-air temperature and water...Ch. 27 - A measurement that represents the thermal cooling...Ch. 27 - A buildup of minerals that forms a flaky coating...Ch. 27 - A method for killing bacteria, viruses, and...Ch. 27 - Prob. 29RQCh. 27 - Prob. 30RQCh. 27 - True or False: A common type of water filtration...Ch. 27 - Prob. 32RQCh. 27 - Prob. 33RQ
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- True or False: A common type of water filtration and treatment for ice machines is a triple-action filter system.arrow_forwardWhich of the following statements is not true about thermal cleaning? The main advantage of thermal cleaning is a total reduction of all oils and grease on and in blocks, heads, and other parts. After a part has been thermally cleaned, it should be submerged in water to cool it quickly. Thermal cleaning leaves behind a dry, powdery ash on the parts. After a part has been thermally cleaned, it should be washed or blasted with shotarrow_forwardWhat will happen if the float in an oil separator collapses?arrow_forward
- What is the correct way to dispose of used oil filters?arrow_forwardWhich cleaning method uses high-frequency sound waves to create microscopic bubbles that loosen dirt from parts? Ultrasonic Salt bath Thermal Causticarrow_forwardAll of the following are true statements about flushing an A/C system after a compressor failure, except The condenser must be flushed and the receiver/ dryer replaced. Filter screens are sometimes located in the suction side of the compressor and in the receiver/dryer. These screens confine foreign material to the compressor, condenser, receiver/dryer, and connecting hoses. Use only CFCs for flushing. After the system has been flushed, be sure to oil all components that require it. Some manufacturers recommend replacing the clogged components and installing a liquid line (inline) filter just ahead of the expansion valve or orifice tube instead of flushing the system.arrow_forward
- A buildup of minerals that forms a flaky coating on the surface of the evaporator and water system is called A. sediment. B. scale. C. hardness. D. turbidityarrow_forwardWhat is required for a combustile mixture A. OXYGEN B. FUEL C. WATER PUT CHECK MARK OR CROSS MARK TO THE LETTERarrow_forward1-While refilling an 8-quart (7.57 L) system with coolant: Technician A initially puts in 4 quarts (3.78 L) of straight coolant and tops it off with water. Technician B fills the system with the correct mixture, tightens the radiator cap, and then checks for leaks. Who is correct? 2-While checking for conditions that might cause coolant electrolysis: Technician A places the positive lead of a voltmeter into the coolant and connects the negative lead to a ground. Technician B checks for the presence of voltage in the coolant with the ignition off. Who is correct? 3-Technician A says that if the PCV valve or connecting hoses become clogged, excessive pressure will develop in the crankcase and can cause oil leaks. Technician B says that if the PCV valve or connecting hoses become clogged, oil may be pushed into the air cleaner or cause it to be drawn into the intake manifold. Who is correct? 4-While bleeding air from a cooling system: Technician A loosens a heater hose at its highest…arrow_forward
- Coolant 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_forward15q Compressed air can be used to clean the machine, is a general safety precaution while working in a workshop. Select one: True Falsearrow_forwardWhen installing a new oil filter, it is a good idea to: Select one: a. wipe a small amount of contact cement on the gasket. b. clean all oil from the mounting area and install the gasket dry. C. wipe a small amount of oil on the new filter gasket. d. wipe a small amount of gasket sealer on the new filter gasket.arrow_forward
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