航海英语题库-船舶操纵

船舶操纵

08.1 船舶操纵基本知识

[2151]When a vessel navigates in an area with a small underkeel clearance but with adequate space to take avoiding action she ______.

A. should not be regarded as a vessel constrained by her draught

B. should be regarded as a vessel constrained by her draught

C. shall be regarded as a vessel restricted in her ability to maneuver

D. should be regarded as a non-displacement vessel．

KEY: A

[2152]When towing astern，one way to reduce yawing of the tow is to ______.

A. trim the tow by the stern

B. trim the tow by the head

C. have the tow on an even keel

D. list the tow on the side it is yawing

KEY: A

[2153]While moving ahead，a twin-screw ship has an advantage over a single-screw ship because ______.

A. correct trim will be obtained more easily

B. drag effect will be cancelled out

C. side forces will be eliminated

D. speed will be increased

KEY: C

[2154]A racetrack turn would be better than a Williamson turn in recovering a man overboard if ______.

A. the man has been missing for a period of time

B. the sea water is very cold and the man is visible

C. there is thick fog

D. the wind was from astern on the original course

KEY: B

[2155]A reaching course is one in which the wind ______.

A. comes directly over the bow

B. comes directly over the stern

C. comes over an area extending from broad on the bow to the quarter

D. has no effect on the vessel

KEY: C

[2156]A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing?

A. Length of the towline