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During extremely cold weather, while starting an engine, it turns too slowly and fails to startThis problem is most likely the result of （）
A . high fuel oil viscosity
B . low fuel oil temperature
C . high lube oil viscosity
D . energized glow plug
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In an operating diesel engine, which of the following condition is an indication of a leaking air starting valve?（）
A . noise coming from that air starting valve
B . continuous operation of the starting air compressor
C . zero air pressure in the air starting system
D . overheated starting air pipe to the cylinder head
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An auxiliary diesel engine may fail to start due to（）
A . low exhaust back pressure
B . high lube oil temperature
C . insufficient cranking speed
D . excessive fuel atomizatio
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A supercharged diesel engine when compared to a similar naturally aspirated diesel engine, will develop an increase in （）
A . ignition lag
B . engine horsepower
C . lube oil system pressure
D . specific fuel consumptio
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An auxiliary reservoir for starting auxiliary engines should be kept at （）.
A . low pressure at all times
B . full pressure at all times
C . low pressure at intermittence
D . full pressure at intermittence
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Before starting a diesel engine that has an engine driven lube oil pump, the engineer should （）.
A . open the bypass line
B . cut in the lube oil cooler
C . pressurize the lube oil system
D . top off the expansion tank
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An over-speed trip stops a diesel engine when the engine （）
A . runs out of fuel
B . has low lubricating oil pressure
C . exceeds a set maximum speed
D . has high cooling water temperature
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When attempting to start a main propulsion diesel engine, the engine, the engine turns at the proper speed but will not startYou should check the（）
A . starting air pressure
B . scavenge air pressure
C . over-speed trip
D . banjo oiler line
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When using a fuel with a higher than normal sulfur content in an auxiliary diesel engine, you should（）
A . maintain higher than normal jacket water temperature
B . change the lube oil more frequently than normal
C . maintain a higher air-box temperature than normal
D . maintain a higher air-box pressure than normal
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When carrying out mooring trial, if the M√Ecan’t start normally, you should （）
A . take a further inspection in the voyage
B . check and repair, then retrial
C . do as the surveyor’s requirement
D . retrial
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When starting air is admitted, a diesel engine turns over very slowly without firingThe cause may be （）
A . an obstruction in an cylinder
B . water accumulation in some engine cylinders
C . low starting air pressure
D . low scavenge air pressure
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An individual injection pump is designed for variable beginning and constant ending of injectionFor diesel engines operating at constant speeds, the start of injection will（）
A . advance as the load increases
B . retard as the load increase
C . remain unchanged regardless
D . always occur at top dead center
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When an air started, four-stroke/cycle diesel engine is being cranked, the starting air is admitted to each cylinder during what would normally be the（）
A . intake stroke
B . compression stroke
C . power stroke
D . exhaust stroke
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When reentering an engine room that has been flooded with CO2, the investigating team should initially（）.
A . leave the access door partially open
B . enter from the lowest level
C . enter from the highest level
D . attempt to operate machinery
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Before starting an engine by air, the engine must（）
A . be turned by a turning gear for at least one minute
B . be turned by a turning gear for at least two minutes
C . be turned at least one complete turn
D . be turned at least two complete tur
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Diesel engine starting difficulties due to cold intake air temperatures, can be overcome by using a/an（）
A . increase in starting air pressure
B . increase in lube oil viscosity
C . compression expansion device
D . jacket water heater
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Which of the following may cause that an engine doesnt run on starting air?（）
A . too low starting air pressure
B . main start valve closed
C . neither A nor B
D . A and B
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After an engine is started you should（）.
A . increase engine speed to insure adequate flow of oil to all parts of the engine
B . pay no attention unless there are unusual noises from the engine
C . check operating pressures and temperatures，and check for leaks
D . run the engine at idle until the temperature has increased
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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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Before you start an engine in a compartment，it’s MOST important to（）.
A . check the flame arrester
B . check the fuel tank
C . check the battery
D . ventilate the bilge
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Which of the following may cause that an engine doesnt turn on starting air?（）
A . too low starting air pressure
B . main starting valve closed
C . neither A nor B
D . A and B
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An interlock in the remote operating valve line stops the valve （） when the engine turning gear is engaged.
A . to open
B . opening
C . open
D . opened
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When the engine would not start, the mechanic inspected all the parts tofind what was at ___.
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When preparing for a speech, writing an outline is just a waste of time. We should start to write the beginning immediately.
