单选题What is required to launch a boat stowed in a crescent davit?（）A Hoist the boat clear of the cradleB Release the outboard part of the cradleC Rig the tricing linesD Crank the crescent out

The rescue boat on an OSV is not required to carry a ______.

A.fishing kit

B.searchlight

C.sea anchor

D.radar reflector

While cranking out a quadrantal davit，slippage of the quadrant due to excessive wear or failure of the teeth in the quadrant will cause the ______．

A.Davit arm to pivot on the traveling nut and the head to fall outboard

B.Traveling nut to lock up in place on the worm gear

C.Limit switch to engage and hold the traveling nut in position

D.Winch brake to lock in position and prevent lowering the boat

You are required to launch the App.exe process, and specify sample.txt as the input file.App.exe will then use the contents of sample.txt to establish the environment‘s current settings.You need to ensure that the code you use meets these requirements.What should you do?（）

A.

B.

C.

D.

Frapping lines are fitted to lifeboat davits to ______.

A.secure the lifeboat in the davits when in the stowed position

B.bring the life boat close along the rail in the embarkation position

C.give the occupants a safety line when the boat is being lowered from the embarkation level

D.reduce the swinging of the lifeboat at the embarkation level

Coast Guard approved buoyant work vests ______．

A.may be substituted for 10 percent of the required life preservers

B.should be stowed adjacent to lifeboats and emergency stations

C.may be used by boat crews and line handlers during lifeboat drills

D.should be used when carrying out duties near a weather deck's edge

During a fire drill on a vessel, what action is required? ______.

A.Start each fire pump.

B.Launch and run a lifeboat.

C.Inventory rescue and fire equipment.

D.Inspect fire hoses

Prior to entering a davit-launched life raft, you should make sure that ______.

A.the life raft is well ventilated of excess carbon dioxide

B.all personnel have removed their life preservers to facilitate boarding

C.the door flap has been cut away and stowed inside the raft

D.All of the above

In launching a lifeboat, when should the tricing pendants be released?______.

A.Before the boat is lowered from the stowage position

B.As soon as the boat-fall blocks clear the davit head

C.After the limit switch is activated

D.After all people have been embarked