A.keeps sparks from falling into an open tank
B.secures covers on ullage openings
C.prevents sparks from getting out of an enging's exhaust system
D.grounds static electicity
您可能感興趣的試卷
你可能感興趣的試題
A.standing rigging
B.a downhaul
C.a halyard
D.a jib
A.at a high rate of speed
B.under oars
C.against the wind
D.with the wind
A.reverse port engine, apply right rudder
B.reverse port engine,rudder amidships
C.reverse starboard engine, apply right rudder
D.revers starboard engine, rudder amidships
A.in a straight line
B.to port
C.from side to side
D.to starboard
A.aid turing the ship
B.obtain a fine bearing
C.increase ship swing to wind or tide
D.lighten the stress of anchor chains
最新試題
The mean draft of a ship is the draft（）.
In the Northern hemisphere northerly winds may cause temperature（）.
A tide is called diurnal when（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
（）is where the crew eat their meals.
What is it called when it is possible to ignite the vapour above the oil?（）
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）