A.ahead direction
B.astern direction
C.right-handed
D.left-handed
您可能感興趣的試卷
你可能感興趣的試題
A.the propeller diameter
B.the propeller radius
C.the pitch angle
D.the length of helix
A.a helix
B.a helicoidal
C.a curve
D.a cone
A.a line
B.a circle
C.a helix
D.an epllicate
A.dependent
B.in dependent
C.in series
D.in parallel
A.one-third
B.two-thirds
C.one-fourth
D.two-fourths
最新試題
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
The ISPS Code consists of a mandatory section-Part A, which shows（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
Which of the following items don’t belong to dock repair works?（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Cold weather starting of a diesel engine may be made easier by（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Using a file without a handle may result in （）