單項選擇題One of the factors limiting the amount of load which can be put on a modern marine diesel engine is the ()

A.governor sensitivity
B.exhaust temperature
C.fuel injection pressure
D.speed of the can shaft


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1.單項選擇題A diesel engine may fail to start due to ()

A.low air charge temperature
B.high cranking speed
C.excessive fuel dilution of lube oil
D.high compression pressure

3.單項選擇題A diesel engine fails to start because of water in the fuelIn order to start the engine, you should ()?

A.turn engine with jacking gear
B.drain filters and strainers and bleed off water at each injection pump
C.use ether to start the engine with blow-down valves open
D.blow through the cylinders and fuel lines with a drying agent

4.單項選擇題As engine RPM is increased from idle speed to full load speed, which of the conditions listed will decrease?()

A.Compression ratio
B.Fuel/Air ratio
C.Compression pressure
D.Lube oil pressure

5.單項選擇題Prior to starting, the purpose of turning over a main propulsion diesel engine with the cylinder test cocks open, is to ()

A.test the starting system
B.remove condensation from the cylinders
C.check the compression
D.check for proper lube oil pressure