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A common trouble with the fuel pump plungers or fuel valve spindle is （）.
A . broken down
B . stuck
C . oil leakage
D . carbonized
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Machinery driving fuel oil transfer and fuel oil service pumps must be fitted with a remote means of stopping the machinery from （）.
A . within the space concerned
B . outside the space concerned
C . the throttle station
D . within the fire room
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（）is harmful for fuel pumps, fuel valves, cylinder liner, exhaust valve seats, and the turbocharger blades as well.
A . Bad combustion of the fuel
B . Bad atomization of the fuel
C . Liquid contaminants
D . Solid contaminant
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Problems with the diesel engine fuel injection pump are usually caused by（）
A . improper adjustment
B . contaminated fuel
C . kinked fuel lines
D . excessive engine vibratio
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The effective pump stroke of an individual port-and-helix fuel injection pump is determined by the （）
A . fuel delivery pressure
B . pump plunger diameter
C . plunger control rack position
D . total pump stroke
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While overhauling a jerk-type fuel pump it is necessary to replace the pump plungerWhich of the parts listed below must also be replaced?（）
A . Delivery check valve
B . Pump barrel
C . Tubing to the injector
D . Cam follower
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Because of the close tolerances used in diesel engine fuel oil pumps, a worn plunger requires（）
A . grinding the spare plunger to the barrel
B . replacing the plunger and the barrel
C . highly polishing both the plunger and barrel
D . replacing plunger only
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Maintaining the close tolerances in diesel fuel pumps and injectors requires the use of（）.
A . fuel/water separators
B . day tanks
C . injector test stand
D . fuel filter
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Movement of the pump control rack in a fuel injection system using individual plunger-type pumps （）
A . changes the position of the fuel inlet ports
B . changes the length of the pump stroke
C . varies the quantity of fuel delivered
D . varies the compression of the delivery valve spring
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Fuel oil is pumped by means of （） from the bunker tanks.
A . a transfer pump
B . a bilge pump
C . a service pump
D . a vacuum pum
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Because the timing of injection is crucial, （） mounted on the camshaft, which is driven by the crankshaft are used to operate the fuel pumps, one of which is provided for each cylinder.
A . gears
B . rams
C . barrels
D . cam
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The major cause of fuel pump and injection system problems is （）
A . improper adjustments
B . contaminated fuel
C . kinked fuel lines
D . excessive engine vibratio
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A common trouble with the fuel pump plunger or fuel valve spindle is （）.
A . water leakage
B . steam leakage
C . oil leakage
D . air leakage
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The plunger in the fuel injector pump, usually operated by a （）, is driven up and down when working.
A . crankshaft
B . camshaft
C . piston rod
D . rack and pinio
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If the plunger or barrel of a fuel injection jerk pump becomes damaged,（）
A . only the replacement of the entire pump would be acceptable
B . the injection pump and injection nozzle must be replaced
C . either the barrel or plunger must be replaced
D . the barrel and plunger must be replaced as a unit
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The purpose of the delivery check valve used in a diesel fuel injection jerk pump is to （）.
A . assist in a quick cutoff of fuel injection
B . allow oil backflow from the injector to the helix
C . reduce fuel oil pressure between injection strokes
D . meter the quantity of fuel delivered
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Fuel injection uses the jet pump system and a Woodward type hydraulic （） is used to control engine speed.
A . controller
B . governor
C . instrument
D . apparatu
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When possible，what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?（）
A . Secure all engine room doors，hatches，and vents
B . Close the fuel line valve
C . Check the spread of the fire with foam
D . Cast the barge off the wharf
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The engine has one or two group of fuel pumps, depending upon （）.
A . the number of fuel valves
B . the number of cylinders
C . the speed of engine
D . the power of engine
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The fuel booster pump and steam to fuel heater, together with fuel pipe heater tracer line should be shut off as soon as the （） order is acknowledged.
A . finished with engines
B . stop
C . stand by
D . full ahead
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The fuel injector pump is operated by （） which drives the plunger up and down.
A . a separate motor
B . a cam
C . a generator
D . a chai
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Your vessel is taking on fuel oil when a small leak develops in the hose and you have ordered the pumping stoppedBefore resuming pumping，you should（）.
A . notify the terminal superintendent
B . place a large drip pan under the leak and ping the scuppers
C . repair the hose with a patch
D . replace the hose
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In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.
A . a service tank
B . a collecting tank
C . a sump
D . a settling tank
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Problems with the diesel engine fuel injection pump are usually caused by_____.
A.improper adjustment
B.contaminated fuel
C.kinked fuel lines
D.excessive engine vibration
