Moisture is removed from a refrigeration system by
A.bleeding refrigerant from the condenser
B.opening a drain petcock on the oil separator
C.condensing the water in the heat exchanger
D.using a dehydrator cartridge

When checking zinc plates in the refrigerating system c...

单项选择题When checking zinc plates in the refrigerating system condenser, you should
A.paint and insulate the plates to prevent corrosion
B.renew the plates at each inspection
C.replace the zincs if deteriorated by 50%
D.file the plates to change the negative value

基桩轴向抗拔试验满足下列（ ）条件之一时可终止加载。A.某级荷载作用下，钢筋拉应力达到钢筋抗拉强度设计值B.在...

多项选择题基桩轴向抗拔试验满足下列（ ）条件之一时可终止加载。

If a refrigeration compressor is short cycling on high ...

单项选择题If a refrigeration compressor is short cycling on high head pressure, you should
A.purge the condenser if the waterside is dirty
B.check for proper water flow through the condenser
C.increase the high pressure cutout setting
D.reduce the cooling water flow