trim the tow by the bow
trim the tow by the stern
list the tow to windward
adjust the length of the towing bridle
第1题:
A tow astern is veering from side to side on its towline.The best way of controlling the action is to ______.
A.Trim the tow by the bow
B.Trim the tow by the stern
C.List the tow to windward
D.Adjust the length of the towing bridle
第2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
第3题:
The average time between two high waters is 12 hours and 25 minutes because this is the time it takes for____.
A.The sun to be at the opposite side of the moon
B.The moon to be at the opposite side of the earth
C.The moon to be at its apogee
D.The sun and the moon to be on the same side
第4题:
is easy to connect
provides an effective catenary and absorbs shock due to its weight
makes rigging a swivel unnecessary
prevents the tow from yawing by the drag of the chains in a seaway
第5题:
The cargo will spontaneously ignite if released to the atmosphere
You must operate this barge as a lead barge
The barge should be spotted as far away from the towboat as possible
The barge must be in a protected position within the tow
第6题:
______:the vertical distance measured on the vessel’s side amidships from the load water line to the upper side of the freeboard deck or a point corresponding to it.
A.Buoyancy
B.Freeboard
C.Draft
D.Displacement
第7题:
led to Adam Smith’s idea of specialisation
was finished in the nineteenth century
also has its side-effects in society
put an end to poverty in the world
第8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
第9题:
discharge side of the centrifugal pump
suction side of the centrifugal pump
the lowest point of the cooling water system
inlet of the main engine
第10题:
fairway side
open sea side
lee side
roadstead side