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单选题
In the process of the stand-by, warm-up the engine usually through give preheat of which parts of the diesel engine?（）
A
cooling water of the cooling system
B
fuel of the FO system
C
LO of the LO system
D
cooling water of the cooling system and LO of the LO system
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考题
When stand－by before sailing, the duty engineer and officer should check clock, engine telegraph and rudder, and then write it in the0
A.engine room logbookB.vovage logbookc engine room logbook or voyage loglookD.engine room logbook and voyage logbook
考题
An over-speed safety device is usually fitted to a generator engine for ___ in the event of over-speed.A.stabilizing the ship speedB.increasing the fuel pump settingC.braking the crankshaftD.cutting power off the engine
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______, the second one will start automatically.A.If the first stand-by set failedB.If the first stand-by set failsC.If the first stand-by set will failD.If the first stand-by set doesn’t fail
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单选题Problems with the diesel engine fuel injection pump are usually caused by（）A
improper adjustmentB
contaminated fuelC
kinked fuel linesD
excessive engine vibration
考题
单选题A viscosity regulator used for an engine is usually provided in order to （） for an engine burning heavy fuel oil.A
regulate the fuel supplyB
maintain a constant fuel viscosity at the fuel valvesC
maintain efficient coolingD
alter the fuel density
考题
单选题When the ship in the condition of stand-by and engine trials, usually put the engine telegraph in the （） position.A
stand byB
slow aheadC
slow asternD
B or C
考题
单选题When the movement of engine is no longer required the pilot usually gives the order like this（） .A
Stop engineB
Nothing to portC
Finish enginesD
Finished with engines
考题
单选题When stand-by engine instructions have been received, it’s necessary to make it sure that all valves in the various systems are（）A
operationalB
openC
closed securelyD
at middle position
考题
单选题In the production of freshwater from seawater through a process of heating and cooling, the cooling phase of production is usually called （）.A
evaporationB
distillationC
dehydrationD
condensation
考题
单选题Oil mist detectors are usually used on board to detect oil mist density within （）.A
the engine crankcaseB
the engine scavenge boxesC
drain tanksD
fuel tanks
考题
单选题In a four stroke engine, which process lasts the longest period?（）A
exhaust and suction processB
suction and compression processC
combustion and exhaust processD
working and exhaust process
考题
单选题Proper lubrication of the main bearings is more easily obtained in a single acting, four-stroke/cycle diesel engine than in a tow-stroke/cycle diesel engine because（）.A
The direction of pressure on the journal in four-stroke engine is continuouslyB
positive feed lubricators are installed on all bearings of four-stroke engine, whereas as a splash feed system is used on tow-stroke engineC
four-stroke engines usually utilize a heavier grade of oil than tow-stroke enginesD
Low-stroke engines usually consume less lube oil than four-stroke engines
考题
单选题Diesel engine piston ring blow-by is usually caused by excessive ring clearance at the ring（）A
backB
sideC
gapD
bottom
考题
单选题The relative air pressure in the inlet manifold of a turbocharged diesel engine is usually（）A
greater than the average exhaust manifold pressureB
less than the average exhaust manifold pressureC
greater at the turbine wheel than at the impellerD
greater at reduced engine speed
考题
单选题The process of boiling seawater in order to separate it into freshwater vapor and brine is usually defined as （）.A
dehydrationB
condensationC
evaporationD
dissolution
考题
单选题Which of the following is false?（）A
preparation for stand-by should be organized by engine roomB
engine trails should be agreed with bridge, and then do itC
As to engine trials of the twin diesels and two propellers, the two diesels should use “slow ahead” at the same timeD
After engine trials, the handle of the engine telegraph should be put in the “stop” position
考题
单选题（）, the second one will start automatically.A
If the first stand-by set failedB
If the first stand-by set failsC
If the first stand-by set will failD
If the first stand-by set doesn’t fail
考题
单选题Which of the following is true about the fuel injection with an ordinary diesel engine?（）A
The process begins after TDCB
The process ends before TDCC
When the piston is near to the TDC the fuel injection endsD
None of the above is true
考题
单选题Before "stand-by" is rung on the engine telegraph, it is usual to give the main engine （） ahead and astern.A
a brief trial with turning gearB
a brief trial on powerC
a long trial by steering gearD
one minutes trial with windlass
考题
单选题John, a junior workflow developer, has approached you for advice on a workflow process that he is defining. He is unclear about the implications of selecting the Runnable checkbox while defining the Process Activity. What advice would you offer?（）A
Runnable allows the workflow engine to compile the process.B
Runnable allows the process to be included as a stand-alone subprocess.C
Runnable allows the workflow engine to check its status during process execution.D
Runnable allows the workflow engine to define this as a top-level process and initiate it
考题
单选题When stand-by before sailing, the duty engineer and officer should check clock, engine telegraph and rudder, and then write it in the （）A
engine room logbookB
voyage logbookC
engine room logbook or voyage logbookD
engine room logbook and voyage logbook
考题
单选题About the jacket water, that of the auxiliary engines usually（） is circulated by pumps, and the main engine usually （）A
an engine-driven；as wellB
an engine-driven；has an independent pumpC
an independent；as wellD
an independent；has an engine-driven pump
考题
单选题Lubricating oil systems for diesel engine journal bearings are usually lubricated by which of the following types of lubricating oil systems?（）A
SplashB
GravityC
PressureD
Bypass
考题
单选题The purpose of engine stand-by is that （）A
the main engine in the stand-by conditionB
auxiliary machinery in the stand-by conditionC
dynamical equipments in the stand-by condition and could be used immediatelyD
A and B
考题
单选题The expression STAND-BY ENGINE means:（）.A
to get the engine readyB
to respond to the engineC
to maneuver the engineD
to change the engine
考题
单选题One of the differences between a two-stroke engine and a four-stroke engine is,（）A
a two-stroke engine can’t work without cylindersB
a two-stroke engine can’t work without pistonsC
a two-stroke engine can’t work without crankshaftsD
a two-stroke engine can’t work without a blower
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