A.Speed
B.Excessive knowledge or skill
C.Human error
D.Excitement
您可能感興趣的試卷
你可能感興趣的試題
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
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
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
最新試題
Under MARPOL Code the ship to which it applies has to carry （）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
The main purpose of port State control is not to（）
（） is not installed on the main switchboar.
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（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.