The presence of acid in the system can damage the __________ and lead to the premature __________ of the system. Acid can also eat away at the interior surfaces of the __________.
What will be an ideal response?
windings of the compressor, failure, copper refrigerant lines
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Thrust bearings are being discussed. Technician A says the thrust bearing surface facing the front of the engine shows the most wear. Technician B says the most common cause of thrust bearing failure is too little clearance. Who is correct?
A. Technician A B. Technician B C. Both technicians D. Neither technician
The ________________ is the minimum distance a qualified person must keep from exposed energized equipment without having a document plan and the appropriate PPE.
A. arc flash boundary B. restricted approach boundary C. limited approach boundary D. prohibited approach boundary
The suction pressure on a split AC system that is running with an excessive evaporator heat load:
A) Will be higher than normal. B) Will most likely pull into a vacuum. C) Is not affected by the load. D) Will be lower than normal.
Two technicians are discussing wheel bearing lubricants. Technician A says that grease is the lubricant used on wheel bearings and suspension parts. Technician B says that there is only one type of wheel bearing grease. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B