更多"When the general alarm is sounded c"的相关试题:
[单项选择]How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?（）.
A. With gooseneck vents
B. With warning signs
C. With flame screens
D. With pressure-vacuum relief valves
[单项选择]The term flood current refers to that time when the water（）.
A. is flowing towards the land
B. is moving towards the ocean
C. level is not changing
D. level is rising because of heavy rains
[单项选择]I sounded five short blasts to warn the vessel（）the immediate danger of collision.
A. of
B. off
C. to
D. with
[单项选择]When loading containers into the cell guides in the hold of a container ship，which statement is TRUE?（）.
A. No further securing is usually required
B. Containers must have vertical lashings if they do not have twist lock securing
C. All containers must have vertical and horizontal lashings
D. The container must be locked into the cell guide
[单项选择]What is it called when it is possible to ignite the vapour above the oil?（）
A. Flash point
B. Boiling point
C. Ignition point
D. Pour point
[单项选择]When electrical equipment is involved in a fire，the stream of dry chemicals should be（）.
A. aimed at the source of the flames
B. fogged above the equipment
C. shot off a flat surface onto the flames
D. used to shield against electrical shock
[单项选择]When lighting off an auxiliary boiler, which of the problems listed could cause the burners to sputter?（）
A. cold fuel oil
B. low fuel oil pressure
C. low atomizing steam pressure
D. water in the fuel oil
[单项选择]When a marine surveyor is employed to assist in the move of a mobile offshore drilling unit，he（）.
A. becomes responsible for the safe movement of the rig
B. relieves the Offshore Installation Manager at the moment the rig is free from the bottom
C. must be designated as the person in charge of the rig
D. is a specialist who is hired to provide advice and guidance on aspects of the move
[单项选择]
When a hydraulic vane pump is working, which of the following is in contact with the vanes?（）
(1) the rotor
(2) the internal surface of the housing
(3) the external surface of the housing
A. (1) only
B. (2) only
C. (1) and (2)
D. (1), (2) and (3)
[单项选择]No matter how old you are, when you go out into the world, it（）to hold hands and stick together.
A. would better
B. had better
C. be better
D. is better
[单项选择]During working, when the piston is near the （）, the air ignites the fine spray of fuel.
A. TDC
B. DTC
C. BDC
D. BCD
[单项选择]In the emergency alarm signals, if the alarm or whistle two long sounds followed by one short sound for 1 minute, it is the （） emergency.
A. fire fighting
B. leakage blocking
C. abandon ship
D. integration
[单项选择]All fog signals shall be sounded every two minutes with the exception of a vessel（）.
A. underway or making way
B. under sail or under tow
C. anchored or aground
D. not under command or restricted in her ability to maneuver
[单项选择]The abandon ship signal sounded by the vessels whistle is （）.
A. 6 short blasts and 1 long blast
B. long blast mare than 6 short blasts
C. more than 6 short blasts and 1 long blast
D. 1 long blast of at least 10 seconds
[单项选择]A signal of intent must be sounded in international waters by（）.
A. a vessel meeting another head-on
B. a vessel overtaking another in a narrow channel
C. a vessel crossing the course of another
D. the give-way vessel in a crossing situation
[单项选择]The emergency signal for fires is sounded on the ship’s whistle and general alarm as（）.
A. a continuous ringing for 10 seconds
B. one short ring followed by one long ring
C. two long rings of at least 20 seconds
D. a continuous ringing until the fire is extinguished
