單項(xiàng)選擇題The starting current of an a-cmotor is （） the rated current.

A.the same as
B.much larger than
C.less than
D.equals


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1.單項(xiàng)選擇題The condensers located in various stages of a flash evaporator are cooled by（）

A.distillate
B.seawater
C.brine
D.air

2.單項(xiàng)選擇題Under MARPOL Code the ship to which it applies has to carry （）

A.an International Ship Security Certificate
B.an International Oil Pollution Certificate
C.a Safety Management Certificate
D.an International Ballast Water Management Certificate

3.單項(xiàng)選擇題Using a file without a handle may result in （）

A.your work becoming rounded
B.injury to your hand
C.overheating of the file
D.pinning

4.單項(xiàng)選擇題To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）

A.Speed limiting governor
B.Over-speed governor
C.Over-speed trip
D.Over-speed relay

5.單項(xiàng)選擇題As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）

A.Exhaust temperatures
B.Raw water pressure
C.Lube oil pressure
D.Air box pressure

6.單項(xiàng)選擇題The treatment of the fuel oils involves storage, heating, filtering and（）

A.centrifuging
B.pressurizing
C.atomization
D.igniting

7.單項(xiàng)選擇題（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.

A.Ring type
B.Fork type
C.Spade type
D.Push on pull off type

8.單項(xiàng)選擇題The ISPS Code consists of a mandatory section-Part A, which shows（）

A.the detailed security-related requirements
B.guidelines to meet security-related requirements
C.the detailed security-related requirements and the guidelines to meet them
D.how to run a shipping company considering the potential terrorism action

9.單項(xiàng)選擇題The main purpose of port State control is not to（）

A.prevent an unsafe ship proceeding to sea
B.prevent a ship threatening the marine environment
C.fine the ships
D.confirm a safe sailing