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 jack-up drilling rig being towed must（）.
A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a（）.
A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）
All ships（）suspected infectious disease on board should radio information to Port Health Officer.
A fishing vessel displaying the lights shown is（）.
A fixed carbon dioxide extinguishing system for a machinery space，designed WITHOUT a stop valve in the line leading to the protected space，is actuated by（）.
A jack-up drilling unit elevated on the Outer Continental Shelf must have a fog horn that will sound（）.
A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should（）.
An obstruction on a helodeck is any object that might present a hazard to the（）.
Permanent magnetism is found in（）.