黑客常见的攻击目的有“破坏”和“入侵”两种。面对黑客的攻击，首先要考虑采取的是（)。A．应急补救措施B

A.a single, long-stroke, slow-speed, turbocharged, two-stroke diesel engine

B.a single, long-stroke, medium-speed, turbocharged, four-stroke diesel engine

C.two medium-speed, turbocharged, four-stroke diesel engines

D.a variable-speed AC generator

An indication of an overloaded main propulsion diesel engine is().

A.white smoke in the exhaust

B.high exhaust gas pyrometer readings

C.sparks in the exhaust

D.blue smoke in the exhaust

If a main propulsion diesel engine hunts excessively at idle speed, you should ______.

A.adjusts the idle speed control

B.drain and flushes the governor and replace the oil

C.adjusts the compensating needle valve

D.drain and flushes the governor and replace the oil

A.Bed plate

B.Column

C.Entablature

D.Tie rod

The exhaust system for a turbocharged two-stroke/cycle diesel engine functions to_______.

A.discharge exhaust gases and smoke

B.furnish energy to the turbocharger

C.reduce engine room noise

D.all of the above

The exhaust system for a turbocharged diesel engine functions to ______.

A.power the after-coolers

B.power the turbocharger

C.reduce the cylinder scavenge effect

D.cool the turbocharger

A.a spindle lubricator

B.an oil jet

C.internal splashing

D.drilled passages in the crankshaft

A.most critical in a four-stroke cycle diesel engine

B.most critical in a two-stroke/cycle diesel engine

C.most critical in a four-stroke/cycle diesel engine if it is turbocharged

D.of equal importance in a two-stroke/cycle diesel engine as in a four-stroke/cycle diesel engine

A.starting air pressure

B.scavenge air pressure

C.over-speed trip

D.banjo oiler line

A.exhaust

B.air box pressure

C.brake main effective pressure

D.all of the above