單項(xiàng)選擇題

Sudden starts or stops of the boom is likely to cause all of the following except（）.

A.breaking a cargo runner
B.parting guys topping lifts
C.carrying away a block
D.overheating the resistors and eventually burning out

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單項(xiàng)選擇題

Running an electric winch at slow speed over a long period of time causes（）.

A.the speed to be retarded by the friction brake
B.a load to go downward at full speed
C.the circuit breaker to turn off
D.the resistors to overheat and eventually burn out

單項(xiàng)選擇題

Regulations concerning the stowage，lashing，and securing of timber deck cargoes aboard general cargo vessels may be found in the（）.

A.International Cargo Bureau Regulations
B.Load Line Regulations
C.Rules and Regulations for Cargo and Miscellaneous Vessels
D.Vessel's classification society rules and regulations

Sudden starts or stops of the boom is likely to cause all of the following except（）.

你可能感興趣的試題

Running an electric winch at slow speed over a long period of time causes（）.

Regulations concerning the stowage，lashing，and securing of timber deck cargoes aboard general cargo vessels may be found in the（）.

Regulations concerning the stowage，lashing，and securing of timber deck cargoes aboard general cargo vessels may be found in the（）.