单项选择题
If a refrigeration crankcase compressor were short cycling on the low pressure cutout switch, the cause might be that the （）.
A.system was overcharged with refrigerant
B.system was low on refrigerant
C.suction valves were leaking slightly
D.relief valve was leaking slightly
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A.broken inlet valves
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C.pulsations in the air distribution system
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The part of the anchor windlass that engages the anchor chain for lifting is called the （）.
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单项选择题
If a refrigeration compressor were short cycling on the low pressure cutout switch, the probable cause for this might be the （）.
A.system was overcharged with refrigerant
B.high pressure switch was improperly adjusted
C.expansion valve strainers were fouled
D.suction valves were leaking slightly
