单项选择题

What color is used to indicate the last shot of anchor chain?（）

A.Red
B.White
C.Blue
D.Yellow

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相关考题

单项选择题

A vacuum is initially created in a flash type distilling plant by（）.

A.the flashing of the feed water
B.the condensation of the saltwater feed
C.air ejectors, eductors, or a separate vacuum pump
D.condensation of the distillate

单项选择题

A refrigeration unit will tend to short cycle when operating （）.

A.under heavy loads
B.during hot gas defrost
C.under light loads
D.during starting conditions

单项选择题

Which of the following problems could cause air to blow out through the inlet air filter of a running compressor?（）

A.Excessive compression in the cylinder
B.A broken intake valve
C.A dirty inlet filter element
D.An improperly adjusted discharge valve