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 25, Problem 15RQ
Why is there a time delay in an oil safety control?
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Chapter 25 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 25 - Which is not a basic component of the compression...Ch. 25 - Describe modulating fluid flow.Ch. 25 - The purpose of the crankcase pressure-regulating...Ch. 25 - Describe the function of an electric evaporator...Ch. 25 - Prob. 5RQCh. 25 - Briefly describe the function of a...Ch. 25 - Two types of relief valves are_______and ______.Ch. 25 - Why is low-ambient control necessary?Ch. 25 - Which is not a method of low-ambient control on...Ch. 25 - Low-pressure switch
Ch. 25 - High-pressure switchCh. 25 - Low-ambient(switch)Ch. 25 - Oil safety switchCh. 25 - What is the function of the current sensing relay...Ch. 25 - Why is there a time delay in an oil safety...Ch. 25 - What is off-cycle defrost?Ch. 25 - Two types of off-cycle defrost are______and...Ch. 25 - Two methods for accomplishing defrost on...Ch. 25 - Filter drierCh. 25 - Heat exchangerCh. 25 - Suction accumulatorCh. 25 - ReceiverCh. 25 - Prob. 23RQCh. 25 - Prob. 24RQCh. 25 - What will happen if the float in an oil separator...Ch. 25 - The function of the evaporator pressure regulator...Ch. 25 - What is the function of the oil return hole or...Ch. 25 - What is the function of the pressure equalization...
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- What is the function of the current sensing relay in an oil safety control scheme?arrow_forwardWhat will happen if the float in an oil separator collapses?arrow_forwardWhich of the following is not an effective way to determine if an engine has an internal coolant leak? Performing a pressure test on the system Visually inspecting the exhaust, coolant, and engine oil Using a dye penetrant and black light Using a combustion leak testerarrow_forward
- the oil pressure light stay on whatever the engine fis running, and the oil pressure has been checked and it meet specifications: Technician A says that a ground in the circuit between the indicator light and the pressure switch could be the cause. Technician B says that an open in the pressure switch could be the cause. Who is correct?arrow_forwardd. Check oil level & moisture content 19. If the main wire (coil) to the distributor and the coil to the switch are broken, replace them and make sure the connections are clean and tight relevant to a. Breaking system b. Ignition system c. Ventilation system d. Combustion system 20. The required gap in ignition system between---------- a.-4 to 5 b.-0.4 to 5 c.-0.4 to 0.5 d.-4 to 0,5 |21. Which of the following is the fouled of spark plug a. Soot b. Oil c. Over heated d. All of the above |22.The suitable thread of spark plug for heavy engine is a. M19 b. M18 c. M15 d. M16 23. Using a Torque wrench, tighten the plugs to the specified torque. (Most) 4mm plugs are torqued to four kilograms per square inch. a. True b. False 24. Start the engine and evaluate its performance refers to a. Weekly Maintenance b. Annually Maintenance c. Daily Maintenance d. None of them 25. Check to see if Dynamo is working properly. If necessary, adjust the regulator refers to a. Weekly Maintenance b. Annually…arrow_forwardTrue or False: All gas valves snap open and closed.arrow_forward
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