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单选题
The crane is usually mounted on a pedestal to offer adequate （） to the operator.
A
time
B
space
C
length
D
visibility
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For any given pedestal crane，when the boom is lengthened，the lifting capacity is ______．A.unchangedB.increasedC.eliminatedD.decreased
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Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set ________．A.The cranes may be operated independentlyB.The cranes may be interconnected for twin operationC.The cranes are powered by independent internal combustion power unitsD.All of the above
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Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set ________．A.The cranes may be operated independentlyB.The cranes may be interconnected for twin operationC.When twinned，the crane rotation on the foundation assembly is unlimitedD.All of the above
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Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels ________．A.A centerline crane can never be operated in tandemB.One crane is able to work one end of two adjacent hatchesC.These cranes are more economical and weigh less than outboard-mounted cranesD.One crane is able to work both sides of the ship
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Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane ________．A.Taglines are wire rope purchases that raise and lower the jibB.Taglines are wire ropes for horizontal positioning of the rider blockC.Taglines can be fastened to corners of vehicles or containersD.The crane might not have taglines installed in its rigging system
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Which wire rope purchases may be used with a 30-ton pedestal crane ________．A.HoistB.LuffC.Rider blockD.All of the above
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During which condition should the operator of a pedestal crane shutdown operations ________．A.Bunkering barge alongsideB.Potable water spill on deckC.Crane hydraulic hose burstsD.Trim greater than 4 feet
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During which condition should be operator of a pedestal crane shutdown operations?A.BunkeringB.High windsC.Potable water spill on deckD.More than 3°list
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单选题Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane（）.A
Taglines are wire rope purchases that raise and lower the jibB
Taglines are wire ropes for horizontal positioning of the rider blockC
Taglines can be fastened to corners of vehicles or containersD
The crane might not have taglines installed in its rigging system
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单选题What is the purpose of the equalizing beam aboard a crane vessel（）.A
It allows for rotation of the hook in the single modeB
It is required to“twin-up”30-ton pedestal cranesC
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单选题In an open lifeboat，the lifeboat compass is usually（）.A
placed in a fixed bracket when being usedB
clamped to any position convenient for the coxswain to see itC
permanently mounted on the lifeboat's centerlineD
mounted in the center of the boat to eliminate deviation
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单选题Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.A
The cranes may be operated independentlyB
The cranes may be interconnected for twin operationC
When twinned，the crane rotation on the foundation assembly is unlimitedD
All of the above
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单选题For any given pedestal crane,when the boom is lengthened, the lifing capacity is（）.A
unchangedB
increasedC
eliminatedD
decreased
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单选题The boom stops on a pedestal crane prevent the boom from（）.A
being raised too highB
swinging at seaC
overloading when not in useD
being lowered too low
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单选题During which condition should the operator of a pedestal crane shutdown operations?（）A
LightningB
High windsC
Fire aboardD
All of the above
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单选题During which condition should the operator of a pedestal crane shutdown operations?（）A
BunkeringB
High windsC
Potable water spill on deck
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单选题Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set （）.A
The cranes may be operated independentlyB
The cranes may be interconnected for twin operationC
The cranes are powered by independent internal combustion power unitsD
All of the above
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单选题Which action(s) should the operator of a pedestal crane take if crane control is lost?（）A
Let go of both control levers and return to neutral positionB
Press the emergency stopC
Notify the mate on watchD
All of the above
考题
单选题Most pedestal crane power is provided by（）.A
Electro-hydraulic unitsB
Steam unitsC
Independent internal combustion power unitsD
All of the above
考题
单选题During which condition should the operator of a pedestal crane shutdown operations?（）A
Bunkering barge alongsideB
Potable water spill on deckC
Crane hydraulic hose burstsD
Trim greater than 4 feet
考题
单选题Which statement(s) is/are TRUE concerning crane cargo operations? （）A
Do not exceed rated load capacity of crane and container spreader or slingsB
During any cargo handling operation，the safety of personnel is paramountC
Cargo handlers must be outfitted with adequate protection from personal injuryD
All the above
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单选题Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels（）.A
A centerline crane can never be operated in tandemB
One crane is able to work one end of two adjacent hatchesC
These cranes are more economical and weigh less than outboard-mounted cranesD
One crane is able to work both sides of the ship
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单选题A large metallic device，mounted directly in the piping (usually located at the dock near the point where the vapor hose is attached)，designed to prevent the passage of a rapidly moving flame through the piping is called a（）.A
flame arrestorB
flame screenC
detonation arrestorD
detonation blocker
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