单选题 1分

The minimum height of the head tank may be based on maintaining ________ of fresh water in the heat...

The minimum height of the head tank may be based on maintaining ________ of fresh water in the heat exchanger above that of the sea water to ensure that in the event of a small internal leak developing sea water cannot enter the fresh water system.
  • A.temperature
  • B.flow quantity
  • C.weight
  • D.pressure

你可能感兴趣的试题

1 单选题 1分
  • A. The high temperature facilitates primary gravity separation
  • B. Most of the oil and organic solvents are raised to the top layer
  • C. The high the temperature is, the more the top oil will be collected
  • D. The high temperature has little use on the separation of emulsified oil
4 单选题 1分
  • A. circuit breaker
  • B. amplifier
  • C. diode
  • D. capacitor
5 单选题 1分
  • A. look for a CO2 extinguisher
  • B. use a soda acid extinguisher
  • C. shut off the fuel supply
  • D. smother the fire with rags