更多"Prior to entering a cargo pump room"的相关试题:
[单项选择]A relief valve for a cargo pump is generally installed（）.
A. after the discharge valve
B. between the pump and discharge valve
C. after the suction valve
D. between the pump and suction valve
[单项选择]Cargo pump relief valves are piped to the（）.
A. cargo pump pressure gauges
B. crossover lines interconnecting two pumps
C. suction side of pumps
D. atmosphere through pump vents
[单项选择]The valve on the discharge side of a cargo pump on a tank vessel will usually be a（）.
A. butterfly valve
B. spectacle valve
C. check valve
D. globe valve
[单项选择]Before entering the chain locker，you should（）.
A. have someone standing by
B. make sure there is sufficient air within the locker
C. de-energize the windlass
D. All of the above
[单项选择]On what type of pump would you find an impeller?（）
A. Centrifugal
B. Gear
C. Piston
D. Vane
[单项选择]Prior to running the hydraulic pump, examine the system carefully and ensure that the lever of control valves is in （） position.
A. neutral
B. end
C. opening
D. closure
[单项选择]Sufficient cargo tanks shall be（）prior to each ballast voyage in order that，taking into account the tanker’s trading pattern and expected weather conditions，ballast water is put only into cargo tanks which have been crude oil washed.
A. Inerted
B. Crude oil washed
C. Gas freed
D. Battened down
[单项选择]A vessel entering the eye of a hurricane should expect（）.
A. moderating winds and heavy confused seas to strike his vessel from all directions
B. the winds to increase to hurricane force and strike from a different direction as the eye passes
C. the barometer to reach the lowest point
D. All of the above
[单项选择]A dangerous cargo manifest is needed for you to carry a combustible cargo. You should obtain the shipping papers to make this manifest from the（）.
A. manufacturer
B. CCS
C. MSA
D. shipper
[单项选择]You are transporting dangerous cargo on your vessel．You must inspect this cargo（）.
A. Daily
B. Daily，at sea only
C. After encountering rough weather
D. After loading and prior to arrival in port only
[单项选择]Inflammable cargo（）in the holds adjacent to the engine room.
A. shall never be stowed
B. may be stowed
C. can be stowed
D. should be stowed
[单项选择]Before entering an ice area，the ship should be（）.
A. either trimmed by the head or the stern
B. on an even keel
C. trimmed down by the head
D. trimmed down by the stern
[单项选择]You are discharging cargo and the inert gas system is in operation to inert the tanks. The pressure in a tank being discharged starts to drop below the allowable limit. What action should you take? （）
A. Cut in another IG fan to increase gas flow
B. Open the pressure control valve until the pressure increases
C. Open the tank isolation valve to the fully open position
D. Reduce the pumping rate
[单项选择]You are loading a cargo that includes cylinders of acetylene aboard your break bulk vessel. Which statement is true? （）
A. The cylinders must be stowed at least 10 horizontal feet from corrosive materials in the same space
B. Stowage in the upper deck-deck is considered to be the equivalent of "on deck" stowage for this cargo
C. The cylinders must have a red label for flammability and a green label for compressed gas
D. The cylinders may be protected from the radiant heat of the Sun by laying a tarp on them
[单项选择]You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE? （）
A. Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleaned
B. The hoses to portable cleaning machines should be disconnected before the machines are removed from the tank
C. The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residue
D. Steam cleaning and water washing are both capable of generating electrostatic charges within a tank
