---Slow ahead! ---Slow ahead! _______________!
A.Engine ahead slow!
B.Engine slow ahead!
C.Ahead engine slow!
D.Yes, sir
第1题:
The upper piston rings m large, slow-speed, two-stroke/cycle diesel engines are most effectively lubricated by oil ____.
A.fed from mechanical lubricators
B.thrown off from the main bearings
C.supplied from wick fed drip lubricators
D.flow from a centrifugal or banjo oiler
第2题:
A head-on situation at night is one in which you see dead ahead a vessel showing ______.
A.one sidelight
B.one sidelight and a masthead light
C.one sidelight and two masthead lights
D.both sidelights of a vessel and her masthead light(s)
第3题:
第4题:
(72)
A.forward
B.reverse
C.backward
D.ahead
第5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 port
B.Move bodily to starboard
C.Move in a zig-zag motion
D.Steer a fairly straight course
第6题:
This sign warns()ahead.
Apeople the danger
Bpeople of the danger
Cpeople about the danger
Dthe danger