A.prevent engine overheating
B.have proper air/gasoline fuel mixture ratio
C.be liquid- and vapor-tight
D.supply sufficient air to the intake manifold
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A.When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may result
B.When going directly from full ahead to full astern，there is complete steering control
C.When the vessel has headway and the propeller is in neutral，there is no effect on rudder control
D.When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM
A.annular blowout preventer
B.annulus
C.accumulator
D.automatic choke
A.flame arrestor
B.flame screen
C.detonation arrestor
D.detonation blocker
A.slipway
B.graving dock
C.ground warp
D.caisson dock
A.a 2-second blast every 20 seconds
B.a 4-second blast every 20 seconds
C.an 8-second blast every 30 seconds
D.a 10-second blast every 30 seconds
最新試題
A head-on situation at night is one in which you see dead ahead a vessel showing（）.
Please supply 200 tons of fresh water（）my ship.
A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should（）.
A green buoy has a yellow triangle on it. This is a(n)（）.
A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind （）.
A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）
A large valve，usually installed above the ram preventers，that forms a seal in the annular space between the pipe and wellbore or，if no pipe is present，on the wellbore itself is called the（）.
Permanent magnetism is caused by（）.
An inert gas system on a tanker should be used to（）.
A fishing vessel casualty must be reported to the Coast Guard if it involves（）.