更多"[单选题] You have been towing astern a"的相关试题:
[单选题] When towing astern,increased catenary will ______.
A.increase control of the tow
B.prevent the towing vessel from going in irons
C.make the towing vessel less maneuverable
D.reduce shock stress on the towing hawser
[单选题] 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,sternlight and towing light
D.All of the above
[单选题]A chain bridle is used when towing astern because it ______.
A.Is easy to connect
B.Provides an effective catenary and absorbs shock due to its weight
C.Makes rigging a swivel unnecessary
D.Prevents the tow from yawing by the drag of the chains in a seaway
[单选题] 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
[单选题] You have been informed that dredging operations may be underway in your vicinity.Which buoy indicates the dredging area ________.
A.White buoy with a green top
B.White and international orange buoy
C.Yellow buoy
D.Yellow and black vertically-striped buoy
[单选题] You are entering port and have been instructed to anchor,as your berth is not yet available.You are on a SW'ly heading,preparing to drop anchor,when you observe the range lights as shown on your starboard beam.You should ______.
A.not drop the anchor until the lights are in line
B.ensure your ship will NOT block the channel or obstruct the range while at anchor
C.drop the anchor immediately as the range lights mark an area free of obstructions
D.drop the anchor immediately as a change in the position of the range lights will be an indication of dragging anchor
[多选题]There have been three principal doctrines which provide justification for diplomatic immunity, they are:
A. Personal representation.
B. Extraterritoriality.
C. Functional necessary.
D. Concurring wills.
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[单选题] Some of these shoals have been disproved and are not charted.Nevertheless mariners should ______ with particular caution in this area.
A.go
B.proceed
C.move
D.remove
[多选题]There have been a number of categories of force which are legally justified under international law, such as:
A. Retorsion.
B. Reprisals.
C. self.defense.
D. Collective self.defense.
[单选题] She is very dear to us. We have been prepared to do _____ it takes to save her life.
A. whichever
B. however
C. whatever
D. whoever
[单选题] I have been instructed that on my voyage ______,I shall call at Maderra to pick up some cargo.
A.Home
B.Family
C.China
D.Returning
[单选题] The old houses have been pulled down to _____ the museum to be built next year.
A. make use of
B. make way for
C. take control of
D. take part in
[单选题] It may have been at Christmas _____ John gave Mary a handbag.
A. before
B. who
C. that
D. when
[单选题] We have been asked to __( )__ the news to all our friends.
A. say
B. spread
C. make
D. give
[单选题] You have another ship overtaking you close aboard to starboard.You have 3 radar targets bearing 090,1 mile,and 1.5 miles.In this case,the unwanted echoes are called ______.
A.Multiple echoes
B.Spoking
C.Indirect echoes
D.Side-lobe echoes
[单选题] —I have just had my watch repaired.
—How much did they _____ you for that?
A.cost
B. charge
C. spend
D. take
[单选题]You were ___just now so I didn't disturb you.
A.sleep
B.slept
C.sleeping
D.sleeped
[单选题]You can never start the engine___you have found and removed the trouble.
A.since
B.after
C.until
D.in order that
[单选题] You must ______ in this area unless you have messages about the casualty.
A. keep radio silence
B. keep radio silent
C. keep radio be silent
D. keep silent the radio