单项选择题
When centrifuging heavy fuel oil, an important factor to consider is the （） (1) flow rate (2) viscosity of the fuel oil
A.(1) only is correct B.(2) only is correct C.both (1) and (2) are correct D.neither (1) or (2) are correct
Higher than normal jacket water temperatures occurring ...
单项选择题Higher than normal jacket water temperatures occurring in all cylinders of a diesel engine can result from a/an （）.
A.oil suction line restriction B.correct amount of coolant C.cavitation erosion in the water jackets D.clogged sea suction strainer
Loss of lubricating oil pressure to the main propulsion...
单项选择题Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an （）.
A.overspeed trip B.audible/visual alarm C.the ships/boats general alarm D.reserve oil storage tank
A viscous damper, as used on a marine diesel, is a seal...
单项选择题A viscous damper, as used on a marine diesel, is a sealed precision built device which dampens the torsional vibrations in the （）.
A.camshaft B.flywheel C.crankshaft D.thrust shaft
