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单选题
A tug may be in danger of tripping when（）.
A
towed sideways by an overwhelming force on the towline
B
her tow moves parallel to and forward on either side of the tug
C
the tow is no longer directly astern but moves up on her quarter
D
All of the above
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A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is ______.A.from the ship's propeller when making up aftB.from being overrun if making up forwardC.hull damage while alongside passing a hawserD.getting in a tripping position
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A tug may be in danger of tripping when ______.A.towed sideways by an overwhelming force on the towlineB.her tow moves parallel to and forward on either side of the tugC.the tow is no longer directly astern but moves up on her quarterD.All of the above
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单选题A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when（）.A
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towing on a hawserC
towing alongside and parallel to the vessel it is towingD
towing on the hip
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考题
单选题The catenary（）.A
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考题
单选题How do the height and location of a tug’s towing bitts relate to the danger of tripping?（）A
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单选题Which statement is TRUE concerning the danger signal?（）.A
When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signalB
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考题
单选题Which statement is TRUE concerning hawser towing? （）A
The catenary in a hawser should be sufficient so that the hawser just touches the bottomB
The hawser is of sufficient length for towing when taut between tug and towC
Increasing speed usually increases the catenary in the hawserD
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考题
单选题When connecting the tow bridle to a tug, the end of the bridle is passed with a（）.A
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shot lineC
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单选题To reduce the amount of catenary you may（）.A
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单选题What is the danger associated with stopping a running job by using the STOP_JOB procedure？（）A
The job will need to be reenabled before it will execute again.B
The job may hold locks on objects referenced within it.C
All jobs within the job group will also be stopped.D
The job may leave data in an inconsistent state.E
There is no danger in using the STOP_JOB procedure.
考题
单选题The rules state that vessels may depart from the requirements of the Rules when（）.A
there are no other vessels aroundB
operating in a narrow channelC
the Master enters it in the ship's logD
necessary to avoid immediate danger
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