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单选题
A single-screw vessel going ahead tends to turn more rapidly to port because of propeller（）.
A
discharge current
B
suction current
C
sidewise force
D
thrust
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When turning a ship in restricted space with a strong wind，it is normally best to ______．A.Go ahead on both engines with the rudder hard to one side，if on a twin-screw vesselB.Back down with the rudder hard to one side，if on a single-screw vesselC.Take advantage of the tendency to back to port，if on a twin-screw vesselD.Turn so that the tendency to back into the wind can be used，if on a single-screw vessel
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A twin screw vessel, making headway with both engines turning ahead, will turn more readily to starboard if you ______.A.reverse port engine, apply right rudderB.reverse port engine, rudder amidshipsC.reverse starboard engine, apply right rudderD.reverse starboard engine, rudder amidships
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A twin-screw ship going ahead on the starboard screw only tends to move ______.A.in a straight lineB.to portC.from side to sideD.to starboard
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In a twin screw ship going half-ahead,both screws turning outboard and the rudder amidships no current or wind, the vessel will ______.A.Move bodily to portB.Move bodily to starboardC.Move in a zig-zag motionD.Steer a fairly straight course
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单选题A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）.A
When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may resultB
When going directly from full ahead to full astern，there is complete steering controlC
When the vessel has headway and the propeller is in neutral，there is no effect on rudder controlD
When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM
考题
单选题At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is（）.A
in distressB
approaching a bend in the channelC
operating astern propulsionD
intending to overtake another vessel
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单选题A twin-screw ship going ahead on the starboard screw only tends to move（）.A
in a straight lineB
to portC
from side to sideD
to starboard
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单选题A twin-screw vessel is easier to maneuver than a single-screw vessel because the twin-screw vessel（）.A
permits the rudder to move fasterB
generates more powerC
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can suck the water away from the rudder
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单选题The vessel is out of harbor and in “Full Ahead”We are going to run fuel oil instead of （） and open the fuel oil heater steam valve.A
heavy oilB
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fuel oilD
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单选题The single letter G，sent by an icebreaker to an assisted vessel，means （）.A
I require a pilotB
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I am going ahead; follow meD
Do not follow me
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单选题In a twin screw ship going half-ahead，both screws turning outboard and the rudder amidships，no current or wind，the vessel will（）.A
Move bodily to portB
Move bodily to starboardC
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Steer a fairly straight course
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单选题While moving ahead，a twin-screw ship has an advantage over a single-screw ship because （）.A
correct trim will be obtained more easilyB
drag effect will be cancelled outC
side forces will be eliminatedD
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单选题One major advantage of the round turn maneuver in a man overboard situation is that it（）.A
is the fastest methodB
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requires the least shiphandling skills to performD
can be used in reduced visibility
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单选题Duty officer informs us that the vessel is out of harbor and in “Full Ahead”We are going to run （）.A
diesel oil instead of fuel oilB
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diesel oil instead fuel oilD
fuel oil instead diesel oil
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单选题A ______, Madam.Is there a post office near here? B Keep on going ahead.Turn right at the first crossroads.Then you'll find one there.A
SorryB
You are welcomeC
Excuse meD
Thanks a lot
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单选题The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the（）.A
bossB
knuckleC
skegD
strut
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单选题A twin screw vessel，making headway with both engines turning ahead，will turn more readily to starboard if you（）.A
reverse port engine，apply right rudderB
reverse port engine，rudder amidshipsC
reverse starboard engine，apply right rudderD
reverse starboard engine，rudder amidships
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单选题A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?（）.A
If one screw is stopped，the ship will turn toward the side of the stopped screwB
The principal force which turns the ship is set up by the wake against the forward side of the rudderC
Turning response by use of the rudder only is greater than on a single-screw vesselD
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单选题If an airplane circles a vessel 3 times，crosses the vessel’s course close ahead while rocking the wings，and heads off in a certain direction，what does this indicate（）.A
The plane is in distress and will have to ditchB
The plane is going to drop a package and wishes the vessel to recover itC
Someone is in distress in that direction and the vessel should follow and assistD
There is danger ahead and the best course is indicated by the direction of the aircraft
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单选题A head-on situation at night is one in which you see（）.A
one sidelight of a vessel ahead of youB
one sidelight and a masthead light of a vessel ahead of youC
one sidelight，a masthead light，and a range light of a vessel ahead of youD
both sidelights of a vessel dead ahead of you
考题
单选题When turning a ship in restricted space with a strong wind，it is normally best to（）.A
Go ahead on both engines with the rudder hard to one side，if on a twin-screw vesselB
Back down with the rudder hard to one side，if on a single-screw vesselC
Take advantage of the tendency to back to port，if on a twin-screw vesselD
Turn so that the tendency to back into the wind can be used，if on a single-screw vessel
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单选题A twin-screw vessel can clear the inboard propeller and maneuver off a pier best by holding a(n)（）.A
forward spring line and going slow ahead on the inboard engineB
after spring line and going slow astern on the outboard engineC
forward spring line and going slow ahead on both enginesD
forward spring line and going slow ahead on the outboard engine
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单选题On a twin-screw，twin-rudder vessel，the most effective way to turn in your own water，with no way on，is to put（）.A
one engine ahead and one engine astern，with full rudderB
one engine ahead and one engine astern，with rudders amidshipsC
both engines ahead，with full rudderD
both engines astern，with full rudder
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