When a pushing vessel and a vessel（）ahead are rigidly connec

A vessel is overtaking when she can see which light(s) of a vessel ahead?

A.Only the stern light of the vessel

B.One sidelight and a masthead light of the vessel

C.Only a sidelight of the vessel

D.The masthead lights of the vessel

A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of ______．

A.A vessel towing by pushing ahead

B.A power-driven vessel，not towing

C.A barge being pushed ahead

D.Either answer A or answer B

Risk of collision may exist ______.

A.if the compass bearing of an approaching vessel does NOT appreciably change

B.even when an appreciable bearing change is evident, particularly when approaching a vessel at close range

C.if you observe both sidelights of a vessel ahead for an extended period of time

D.All of the above

When one upbound vessel is overtaking another vessel and both are pushing a tow ahead，what reaction may you expect ________．

A.Both towheads will tend to drift apart，and the overtaking vessel will be slowed down

B.Both towheads will tend to drift together，and the overtaking vessel will be slowed down

C.Both towheads will tend to drift apart，and the overtaken vessel will be slowed down

D.Both towheads will tend to drift together，and the overtaken vessel will be slowed down

How would you pass a red buoy in the maritime buoyage system “A”?______.

A.keep the buoy on the vessel’s starboard side when approaching a port and on the vessel’s port side when leaving

B.keep the buoy on the vessel’s port side when approaching a port and on the vessel’s starboard side when leaving

C.keep the buoy on the vessel’s starboard side when approaching and leaving

D.keep the buoy on the vessel’s port side when approaching and leaving

A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?

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