單項選擇題When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?()

A.The propeller hub taper and shaft keyway should be inspected for cracks or corrosion
B.The stern bearing alignment with the stern frame should be checked
C.The interior of the stern tube should be inspected for leaks
D.The shaft liner should be removed and inspected


您可能感興趣的試卷

你可能感興趣的試題

2.單項選擇題The tool used in precision work to smooth or enlarge a slightly undersized hole, is called()

A.round out
B.round file
C.reamer
D.hole driller

3.單項選擇題Reheating a hardening component to a temperature lower than the hardening temperature and then cooling it is known as ()

A.low temperature hardening
B.case hardening
C.annealing
D.tempering

4.單項選擇題Which of the listed effects represents the purpose of heat treating steel?()

A.Develop ductility
B.Improve machining qualities
C.Relieves stresses
D.All of the above

最新試題

When does auxiliary burner of incinerator put into operation? ()Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish

題型:單項選擇題

A purge recovery system is used in a centrifugal air conditioning or refrigeration system to ()

題型:單項選擇題

If separating effect is not good, which measure should be taken ()

題型:單項選擇題

The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()

題型:單項選擇題

By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a()

題型:單項選擇題

Engine parameters shall be corresponded to NOx Technical Files. This is required by ()

題型:單項選擇題

As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()

題型:單項選擇題

Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()

題型:單項選擇題

During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.

題型:單項選擇題

Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()

題型:單項選擇題