單項(xiàng)選擇題The order “（） ” means “Maximum maneuvering engine revolution for ahead propulsion”.

A.Full Ahead
B.Half Ahead
C.Full Astern
D.Half Astern


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題Winch gears must be maintained in proper alignment to prevent （）.

A.overheating of the lube oil
B.over-speeding of the motor
C.wear on the braking system
D.damage to the teeth

2.單項(xiàng)選擇題You are unable to pump out the aft starboard engine room bilge well that is fouled, with one foot of water over the top of the bilge well, what actionshould be carried out?（）

A.Send the wiper into the well with only a scoop and pail
B.Remove the bilge manifold valve and attempt to back flush the line
C.Simultaneously operate all available bilge pumps
D.It is only necessary to transfer half the contents of a drum of degreaser into the bilge well

3.單項(xiàng)選擇題You are unable to pump out the aft starboard engine room bilge well that is fouled, with one foot of water over the top of the bilge well, what action should be carried out?（）

A.Send the wiper into the well with only a scoop and pail
B.Remove the bilge manifold valve and attempt to back flush the line
C.Simultaneously operate all available bilge pumps
D.It is only necessary to transfer half the contents of a drum of degreaser into the bilge well

4.單項(xiàng)選擇題Wear occurring at the tips of the reduction gear teeth is usually the result of （）.

A.surface fatigue
B.fretting corrosion
C.heavy overloading
D.gear misalignment