单项选择题
Under tropical conditions, control valves have fully opened, but the room still hot.What measures can be taken in such a case?（）
A.Keep the plant running all time
B.Start another blower
C.Increase the ratio of circulated to fresh air
D.Reduce the seawater flow to the condenser
点击查看答案&解析
相关考题
-
单项选择题
Under normal conditions, the quantity of air circulation becomes less and less.What is the reason?（）
A.dirty delivery ducts
B.too much refrigerant
C.the fouling filters
D.high temperature outside -
单项选择题
（）is used in typical marine pattern self-contained unit.
A.a water cooled condenser
B.a slop tank
C.a expansion tank
D.a centrifugal pump -
单项选择题
Which one is not the component of a typical, marine pattern self-contained unit?（）
A.a centrifugal fan
B.a direct expansion cooler
C.a hermetic compressor
D.a centrifugal pump
