单选题During the watch keeping at sea, at appropriate intervals inspection should be made of （）, auxiliary machinery and steering gear spaces by the duty engineer.A the main propulsion plantB lifesaving jacketsC lifeboat engineD state of emergency generator

when you do the watch keeping in the engine room ,what should you be careful about ?

While on watch at sea you must maintain a proper lookout at all times. On a 700-foot cargo vessel being hand-steered during daylight hours in good visibility and clear of any navigational hazards，the lookout may be ______.

A.the helmsman

B.the mate on watch

C.Either A or B

D.Neither A nor B

The common way to obtain your ship’s position is ______.

A.keeping a close watch and lookout

B.taking a radar range and bearing

C.observing a radar target and listening to signals

D.keeping a well clear caution

______should be used during the poor visibility if the rader’s screen shows heavy sea returns.

A.Gain Control

B.Brilliant Control

C.Anti-clutter Sea Control

D.Sweep Intercept

The engineer ______ the watch to the relieving officer if there is reason to believe that the latter is obviously not capable of carrying out the watch-keeping duties effectively.

A.shall take over

B.shall not take over

C.shall hand over

D.shall not hand over

While on watch at sea you must maintain a proper lookout at all times. You are on a 200-foot cargo vessel with an unobstructed view astern from the steering position. The vessel is being hand-steered during daylight hours in good visibility and clear of any navigational hazards. The lookout may be ______.

A.the helmsman

B.the officer on watch

C.either A or B

D.neither A nor B

During the watch keeping at sea, the engineer in charge should notify______in the event of any serious occurrence or a situation where he is unsure of the action to take

A.the master

B.the chief engineer

C.the bridge

D.the company superintendent