back current from the rudder
greater pressure on the right or left side of the propeller，depending on rotation
lower pressure on the right or left side of the propeller，depending on rotation
torque from the velocity and angle at which the surrounding water impinges upon the propeller blades
第1题：
The force exerted by a propeller which tends to throw the stern right or left is called ______.
A.slip
B.sidewise force
C.rotational force
D.thrust
第2题：
While your vessel is docked port side to a wharf，a sudden gale force wind causes the vessel's stern lines to part. The stern begins to fall away from the dock，and no tugs are immediately available. Which measure(s) should you take FIRST?
A.Notify the engineroom of the need for propulsion
B.Shut down any cargo transfer that's in progress
C.Let go the port anchor and veer to a short scope of chain
D.Obtain assistance from the terminal to put new stern lines out
第3题：
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 aft
B.from being overrun if making up forward
C.hull damage while alongside passing a hawser
D.getting in a tripping position
第4题：
In relation to the turning circle of a ship, the term kick means the distance ______.
A.around the circumference of the turning circle
B.gained at right angles to the original course
C.gained in the direction to the original course
D.or throw of a vessel’s stern from her line of advance upon putting the helm hard over
第5题：
The Vessel not to be ______ to force ice，but to follow ice-breaker if required．
A.Made
B.Contained
C.Supplied
D.Obliged
第6题：
Which of the following would be considered downflooding on a fishing vessel as defined in regulation?
A.Vessel heels until water enters a hatch
B.Vessel in collision floods through a damaged area above the waterline
C.Vessel takes on water due to the hatches being left open in heavy rain
D.Vessel takes on water by the propeller shaft due to failure of the stern gland
第7题：
On a vessel with a single propeller，transverse force has the most effect on the vessel when the engine is put ______．
A.full ahead
B.full astern
C.half ahead
D.slow astern
第8题：
Upon underwater detection，there were no apparent defects on the bottom plates，bilge keels，rudder and propeller of the said vessel．This kind of wording usually appeared on ______.
A.ship surveyor's report
B.a ship's certificate
C.a cargo inspection report
D.a diver survey report
第9题：
Flanking rudders effect a vessel’s heading because of the ______.
A.effect of the propeller flow on the rudders
B.water flow due to the vessel’s movement through the water
C.tunnel affect of the water flow past opposing rudders
D.discharge current being channeled to impinge on the vessel’s deadwood
第10题：
Call the Master and the deck gang
Slip the stern lines，let the vessel drift into the river，and then anchor
Let go the starboard anchor
Obtain assistance and attempt to put some new bow lines out