closed
opened fully
cracked open
partly open
第1题：
To ensure proper seating when closing a valve on a tank，the valve should be ______．
A.Set up as tight as possible by hand
B.Set up tight using a valve wrench
C.Closed，opened a half turn，and then closed
D.Closed against the stop and the locking pin inserted
第2题：
ram relief valves bypass oil to stop rudder movement
six-way valve shifts to the neutral flow position
steering pump electric motor is de - energized by the transfer switch
follow-up gear takes the hydraulic pump off stroke
第3题：
The globe valve has a bulbous body, housing a valve seat and screw down plug or disc arranged at right angles to the axis of the pipeAccording to the above sentence, which of the following statements is not true?
A.The profile of the valve is like a globe
B.The valve seat is set into the bulbous body
C.The plug or disc of the valve is made vertical to the axis of the pipe
D.The valve seat is located at right side of the plug or disc
第4题：
decreased
increased
fixed
closed
第5题：
The six-way valve opens
The steering service pump motor is stopped
The follow-up gear takes the pump off stroke
The cylinder relief valves bypass oil to the suction side the pump
第6题：
When cleaning a tank by the Butterworth process，you should begin to pump out the slops ______．
A.At the end of the drop schedule
B.When the process is started
C.When the process is finished
D.When the tank is clean
第7题：
Open the liferaft casing
Turn the valve on the CO2 cylinder to start inflation
Make sure the operating cord is secured to the vessel before throwing it over the side
After inflation，detach operating cord from liferaft
第8题：
Which method should be used to warm up the pump turbines prior to discharge ________．
A.Lock the turbine rotor and slowly bleed in steam until operating temperature is reached
B.Run the pump at high speed with the discharge valves closed
C.Run the turbine at slow speed with the pump disconnected
D.Shut the discharge valve and run the pump at slow speed
第9题：
fuel supply valve should be closed
hatches，doors，and oar ports should be closed
air cylinder shut-off valve should be closed
engine should be shut off
第10题：
Trip the pump relief valve
Order the dock man to shut down
Call the owner，operator，or terminal supervisor
Run out the vessel's or terminal's fire hose