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
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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
A.turn off all lights that interfere with the navigation lights
B.turn on all available working lights on deck
C.ring the bell rapidly for five seconds once a minute
D.display two black diamonds in a vertical line during the day
最新試題
A fire pump may be used for other purposes if（）.
An obstruction on a helodeck is any object that might present a hazard to the（）.
Cargo transfer operations on a tank vessel need NOT be stopped when（）.
A safe fuel system must（）.
A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind （）.
Permanent magnetism is found in（）.
A helmsman receives the command “Right 15 degrees rudder.”The helmsman’s IMMEDIATE reply should be（）.
A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a（）.
For the purposes of cargo oil containment，the fixed container under the manifold of an eight-inch loading line must hold a minimum of（）.
Permanent magnetism is caused by（）.