單項(xiàng)選擇題Oil Record Book Part I shall be provided to ().

A.every oil tanker
B.every ship of 400 tons gross tonnage and above
C.A and B
D.Neither A nor B


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題Which of the following should be recorded in Oil Record Book Part I (machinery space operation) ?()

A.Non automatic discharge overboard of machinery space bilge water
B.Automatic discharge overboard of machinery space bilge water
C.A and B
D.Neither A nor B

2.單項(xiàng)選擇題A ruptured diaphragm in a thermostatic expansion valve will cause the valve to ().

A.open
B.close
C.remain in its position
D.flood the evaporator with refrigerant

3.單項(xiàng)選擇題Black smoke coming from a boiler can be caused by ().

A.low water level
B.low oil pressure
C.excessively high fuel pressure
D.an improper air/fuel ratio

4.單項(xiàng)選擇題Which will cause the high pressure cutout to stop the compressor in a R-22 system?()

A.Condenser leakage
B.A shortage of liquid refrigerant
C.Excessive frost on the evaporator
D.Not enough condenser cooling water

5.單項(xiàng)選擇題Insufficient refrigerant in a refrigeration plant may result in ().

A.high discharge pressure
B.frosting of the crankcase
C.high temperature of the overboard water
D.low suction pressure of compressor

最新試題

The amount of fluid friction or internal friction inherent in a mineral lubricating oil is reflected as a measure of its ().

題型:?jiǎn)雾?xiàng)選擇題

Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?()

題型:?jiǎn)雾?xiàng)選擇題

Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?()

題型:?jiǎn)雾?xiàng)選擇題

The rate of heat transfer from a hot region to a cold region is affected most by the ().

題型:?jiǎn)雾?xiàng)選擇題

The control mode in which the final control element is moved from one of two flexed positions to the other is known as ().

題型:?jiǎn)雾?xiàng)選擇題

When the steering gear is in operation, you should ().

題型:?jiǎn)雾?xiàng)選擇題

An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by ().

題型:?jiǎn)雾?xiàng)選擇題

The temperature differential occurring between the inlet temperature of the fluid to be cooled and the outlet temperature of the cooling medium in a shell-and-tube heat exchanger is greatest in which of the flow designs listed?()

題型:?jiǎn)雾?xiàng)選擇題

The output volume of a positive fixed displacement pump can be changed only by ().

題型:?jiǎn)雾?xiàng)選擇題

A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by ().

題型:?jiǎn)雾?xiàng)選擇題