單項(xiàng)選擇題A diesel engine fails to start due to excessive water in the fuelBefore the engine can be started, the water should be removed from the（）

A.fuel lines
B.lube oil filter
C.crank case pump
D.rocker arm reservoir


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1.單項(xiàng)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

2.單項(xiàng)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

3.單項(xiàng)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

4.單項(xiàng)選擇題In the starting process of a diesel engine, the main object is to attain the compression conditions sufficient to （）

A.turn the flywheel
B.reduce friction
C.overcome inertia
D.ignite the fuel

5.單項(xiàng)選擇題Air in the fuel lines to the fuel injection nozzles of a diesel will result in （）.

A.lower compression pressures
B.overheating without smoking
C.failure to start
D.a run away without load