單項選擇題Which of the listed conditions can be considered as the single greatest cause of accidents?()

A.Speed
B.Excessive knowledge or skill
C.Human error
D.Excitement


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1.單項選擇題Which of the following must be eliminated to prevent accidents?()

A.Unsafe actions
B.Orderliness
C.Frequent inspections
D.Good work habit

2.單項選擇題Which of the following is not a recommended safe practice?()

A.Securing equipment against slipping or drifting
B.Operating machinery at its recommended speed
C.Repairing loose handles on tools before using
D.Using tools for purpose for which they are not designed

3.單項選擇題When required to work where there may be explosive gases, you should use tools which are ()

A.approved by the Coast Guard
B.high carbon steel
C.fixed with a ferrous cover
D.nonsparking

4.單項選擇題Prior to entering a cargo pump room, you should ensure that ().

A.the forced ventilating system is operating
B.the cargo pumps are secured
C.no monocarbon gases are present
D.the oily water separator is de-energized

5.單項選擇題Personnel who are moving or handling material aboard ship should NOT follow which of the listed practices?()

A.signaling that all personnel are clear before lifting or lowering material
B.Examining material for sharp edges or protruding points before handling
C.Closing, tagging, or securing valves that permit entrance of steam, water, or air into a fitting or other equipment
D.Throwing materials from high places to the deck