To replace a damaged life preserver
For use during fire drills
For use during boat drills
At no time
第1题：
A life preserver or buoyant work vest is required to be worn on a ship when a person is ______.
A.working on the rig floor
B.working over water
C.working on the pipe racks
D.operating line throwing equipment
第2题：
When are fore and aft draft readings required to be entered in the unofficial logbook of a ship?
A.Once a day
B.Once a week
C.Prior to getting underway
D.Only when entering waters of different density
第3题：
______, where the ship is docked for hull coating renewal, and for any other required underwater work to be carried out, when the opportunity is taken to make other repairs.
A.Voyage repairs
B.Routine docking
C.Damage repairs
D.Conversion
第4题：
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
第5题：
On an OSV，when may a work vest be substituted for a required life jacket?
A.To replace a damaged life jacket
B.For use during fire drills
C.For use during boat drills
D.At no time
第6题：
When is the density of the water required to be logged in the logbook of a ship?
A.Any time the vessel moves from water of one density into waters of a different density
B.Prior to getting underway when the vessel is floating in fresh or brackish water
C.Only when the vessel moves from fresh water into salt water
D.The density of the water is not required to be logged in the unofficial logbook
第7题：
Contracts whereby the possession and control of a ship vest ______ the Charterer are becoming more common today especially in the oil tanker trade．
A.on
B.to
C.at
D.in
第8题：
The officer in charge of the engineering watch shall notify the chief engineer without delay ____.
A.in any emergency or if in any doubt as to what decision or measures to take
B.in the event of any impending action in machinery spaces that may cause reduction in ship's speed
C.when isolating and bypassing machinery to be worked on
D.co-operating with any engineer in charge of maintenance work
第9题：
How many adult life jackets are required on board a ship ________．
A.Enough for 100 percent of the persons allowed on board
B.One for each work station and industrial work site
C.Enough for 150 percent of the persons allowed on board
D.Both A & B above
第10题：
In ILO Convention，Hours Of Work means ______．
A.any time on board the ship
B.short breaks
C.time outside hours of work
D.time during which seafarers are required to do work on account of the ship