单选题A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is （）.A from the ship's propeller when making up aftB from being overrun if making up forwardC hull damage while alongside passing a hawserD getting in a tri

After a collision or accident involving an uninspected vessel，regulations require that the operator assist persons affected，but only if the operator can do so without ______.

A.further damaging the other vessel

B.undue delay

C.serious danger to his or her own vessel

D.creating a panic on either vessel

In accordance with GENCON，The vessel has not liberty to ______．

A.call at any port or ports in any order，for any purpose

B.sail without pilots，to tow and/or assist vessels in all situations

C.deviate for the purpose of saving life and/or property

D.make jettison of goods on board of the vessel for any purpose

A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is ______.

A.from the ship's propeller when making up aft

B.from being overrun if making up forward

C.hull damage while alongside passing a hawser

D.getting in a tripping position

A tug would NOT assist a ship to steer if the tug is made up to the large vessel ______.

A.by a tow line ahead of the vessel

B.forward on either bow of the vessel

C.approximately amidships of the vessel

D.on the vessel’s quarter

Bilge keels are fitted on ships to ______．

A.Assist in drydock alignment

B.Improve the vessel's stability

C.Protect the vessel from slamming against piers

D.Reduce the rolling of the vessel

You are approaching another vessel and see that she has the signal flag "J" hoisted. What should you do?

A.Keep well clear of the vessel because she is on fire and has dangerous cargo on board or she is leaking dangerous cargo

B.Attempt to call the vessel on VHF radiotelephone because she is requesting to communicate

C.Approach the vessel with caution because she is dragging her anchor

D.Proceed on present course and speed since the vessel is requesting a tug

You are docking a vessel in a slip which has its entrance athwart the tide．You land the ship across the end of the pier，stemming the tide，preparatory to breaking the ship around the corner．You have one tug to assist．Where would you generally tie up the tug ________．

A.Have her on a hawser from the stern

B.Tie her up on the inshore bow to hold the ship off the end

C.Tie her up on the offshore bow

D.Tie her up on the inshore quarter to lift the stern

Cargo transfer operations on a tank vessel need NOT be stopped when ______.

A.a tug comes alongside while the tanker is loading grade D and E cargoes

B.a large，fresh oil spill is discovered immediately adjacent to the side of the tanker

C.there is an electrical storm in the vicinity

D.there is a fire on the dock or on a nearby vessel

The use of an anchor to assist in turning in restricted waters is ______．

A.A last resort

B.Good seamanship

C.The sign of a novice shiphandler

D.To be used only with a single-screw vessel