Length of the towline
Height of the towline connection
Longitudinal position of the towline connection
Direction of opposing force
第1题：
An intermediate spring is ______.
A.fitted in each leg of the towing bridle
B.generally located between the “fishplate” and the main towing hawser
C.secured at the “H” bitts
D.usually made of manila hawser
第2题：
If practical, when shall a manned vessel being towed sound her fog signal?______.
A.Immediately before the towing vessel sounds hers
B.Immediately after the towing vessel sounds hers.
C.As close to the mid-cycle of the towing vessel’s signals as possible
D.At any time as long as the interval is correct
第3题：
A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when ______.
A.directly astern and pushing the tow
B.towing on a hawser
C.towing alongside and parallel to the vessel it is towing
D.towing on the hip
第4题：
A vessel picking up a navigation mark
A vessel transferring cargo while underway
A vessel whose anchor is fouled
A vessel in a towing operation that restricts the ability of the vessel and her tow to change their course
第5题：
Abandon the towing vessel
Radio for emergency assistance
Slip the towline and allow it to run off the drum
Secure all watertight openings on the towing vessel
第6题：
An ocean tow is sinking in deep water. Attempts to sever the towing hawser are unsuccessful Which action should now be taken?______.
A.Abandon the towing vessel.
B.Radio for emergency assistance.
C.Slip the towline and allow it to run off the drum.
D.Secure all watertight openings on the towing vessel.
第7题：
increase control of the tow
prevent the towing vessel from going in irons
make the towing vessel less maneuverable
reduce shock stress on the towing hawser
第8题：
A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit ______.
A.the masthead lights for a towing vessel
B.the lights for a vessel restricted in its ability to maneuver
C.sidelights，stern light and towing light
D.All of the above
第9题：
the masthead lights for a towing vessel
the lights for a vessel restricted in its ability to maneuver
sidelights，stern light and towing light
All of the above
第10题：
insure that the hawser leads directly aft as it passes over the stern of the towing vessel
increase the stability of the towing vessel by raising the hawser off the deck
reduce chafing of the towing hawser
prevent fouling of the hawser on deck gear located on the stern of the towing vessel