单项选择题
A.the engines speed B.the engines load C.the fuel oil temperature D.the fuel oil flow
The vessel is out of harbor and in “Full Ahead”We are g...
单项选择题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 oil B.lube oil C.fuel oil D.diesel
The two-stroke cycle begins with the piston coming up f...
单项选择题The two-stroke cycle begins with the piston coming up from the bottom of its stroke, with scavenge ports in the sides of the cylinder being （）.
A.shut B.closing C.opened D.closed
The term medium speed diesel engine is currently taken ...
单项选择题The term medium speed diesel engine is currently taken to mean an engine with an operating rotational speed of （） rpm.
A.below 300 B.above 1200 C.between 300 to 1200 D.below 1200
