In selecting a tug for moving a vessel，consideration should

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

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

Of the following, the most important consideration for a tank vessel is ______.

A.GM

B.the vertical center of gravity

C.the longitudinal center of gravity

D.the stress on the hull

Before personnel are lifted from a vessel in a personnel basket, the vessel should be ______.

A.directly under the boom

B.moving away from the boom

C.stopped dead in the water

D.tied ti the boom

For safety reasons，when assistance towing ______．

A.the disabled vessel should be towed to the nearest port

B.the disabled vessel should be inspected for flammable gases

C.passengers should always be removed from the disabled vessel

D.personnel on the disabled vessel should don PFD's

Lateral movement of the vessel to leeward of its course defines ______.

A.Leeway

B.Leeside

C.Leeward

D.Lee moving

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 plan to have a larger moving window size for the default system-defined moving window baseline because you want to use the adaptive threshold. Which statement factors in this consideration while increasing the size of the moving window?（）

A. The collection level for the AWR should be set to BASIC

B. The moving window size must be less than Undo Retention

C. The moving window size should be greater than the Automatic Workload Repository (AWR) retention period

D. The moving window size should be equal to or less than the Automatic Workload Repository (AWR) retention period

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