A.Keep a load on the hoist until all personnel are finished working
B.Set the load on a movable dolly when transportation may be needed
C.Have one man keep a hand on the load to steady it
D.Insure that the lifting gear capacity is not exceeded
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A.Posting posters illustrating practices
B.Showing video tapes of actual accidents
C.Incorporating safety practices in daily routine
D.Publishing comprehensive safety rules
A.Speed
B.Excessive knowledge or skill
C.Human error
D.Excitement
A.Unsafe actions
B.Orderliness
C.Frequent inspections
D.Good work habit
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
A.approved by the Coast Guard
B.high carbon steel
C.fixed with a ferrous cover
D.nonsparking
最新試題
Using a file without a handle may result in （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Diesel engine air start system check valves are opened by （）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）