When refrigerant leaves the receiver,

1、The receiver used in a refrigeration s

The receiver used in a refrigeration system（）Astores liquid refrigerantBcollects non-condensable gasesCallows refrigerant sub-coolingDprevents compressor surging

2、When a refrigeration compressor has de

When a refrigeration compressor has developed a high head pressure as a result of a refrigerant overcharge, you should （）.Aincrease the amount...

3、When fruit is carried as refrigerated

When fruit is carried as refrigerated cargo，the most frequent cause of its being infected at the discharge port is（）.Aleaks in the ship's...

4、When does the next bus leave for Glasg

When does the next bus leave for Glasgow? （）AI‘ve never been there.BThe next one is faster.CThey leave every hour.DThe city is far away.

5、When the refrigeration demand is small

When the refrigeration demand is small,（）Athe expansion valve will move toward the wide open positionBthe expansion valve will move toward the closing positionCthe feeler bulb will conveys the high temperatureDthe superheat degree will raise

6、When you have received GA+ from the CE

When you have received GA+ from the CES for the INMARSAT-A telex communication, you should immediately select（）and（）you required.Aan CES / telex modeBan SES telex serviceCthe service /the subscriberDa satellite /an ocean regio