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单选题
When occurring a fire in the scavenge air box, the following measures should be taken except for（）
A
reducing speed to SLOW and asking bridge for permission to stop
B
stopping the fuel oil supply
C
switching-on the auxiliary blowers
D
putting the scavenge air box fire extinguishing equipment into function
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更多 “单选题When occurring a fire in the scavenge air box, the following measures should be taken except for（）A reducing speed to SLOW and asking bridge for permission to stopB stopping the fuel oil supplyC switching-on the auxiliary blowersD putting the scavenge air box fire extinguishing equipment into function” 相关考题
考题
If scavenge box should be hot, _______would occur.A.seized pistonB.defective atomizerC.scavenge fireD.too much L.O
考题
When using a fuel with a higher than normal sulfur content in an auxiliary four stroke diesel engine, you mayA.maintain higher than normal jacket water temperatureB.change the lube oil more frequently than normalC.maintain a higher air-box temperature than normalD.maintain a higher air-box pressure than normal
考题
If the scavenge fire is of a more major nature, if there is a risk of the fire extending or if the scavenge trunk is adjacent to the crankcase with risk of a hot spot developing it sometimes becomes necessary to_______the engineA.stopB.startC.speed upD.slow down
考题
When received the order "Finished With Engine", which of the following operations is wrong?A.stop the L.O pump, S.W pump, jacket water cooling pump immediatelyB.stop the F.O booster pumpC.engage the turning gear, turn the main engineD.open the main engine scavenge air trunk's drain cocks
考题
Which of the following components provides a direct source of seawater for the fire main system?A.Rose boxB.Sea chestC.Sluice(闸式) valveD.Fire pump stuffing box
考题
______ is a type of fog occurring close to the sea surface when the air is dry and cold-probably at least 9℃ below the sea surface temperature．A.MIXING FOGB.ADVECTION FOGC.RADIATION FOGD.ARCTIC SEA SMOKE
考题
单选题When must a dry chemical fire extinguisher be recharged?（）A
After each useB
When the air temperature exceeds 90°FC
Every 6 monthsD
Every 12 months
考题
单选题If a scavenge fire starts, the engine must be put to “（）” and the fuel must be taken off the cylinders affected by the fire.A
stop engineB
finished with engineC
dead slow aheadD
dead slow astern
考题
单选题Which of the following operation will have a direct impact on the rate of wear in a cylinder liner （）A
amount of scavenge air to the cylinderB
quality of fuel injectedC
viscosity of the lube oilD
compression ratio of the piston
考题
单选题The indications of a scavenge fire are excessive black smoke, （） and peeling from scavenge trunking.A
turbo-chargers surgeB
spark seen from the drainsC
paint blisteringD
all above are right
考题
单选题Which of the following statements is not true concerning symptom of a fire in the scavenge air box?（）A
an increase in the exhaust temperature of the affected cylinderB
the turbocharger may surgeC
the explosion pressure in all cylinders will rise violentlyD
smoke from the turbocharger air inlet filter will be seen
考题
单选题Which of the following components provides a direct source of seawater for the fire main system?（）A
Rose boxB
Sea chest or spool pieceC
Sluice valveD
Fire pump stuffing box
考题
单选题Poor combustion in a diesel engine can be caused by （）.A
high compression pressureB
low intake air temperatureC
low exhaust pressureD
high scavenge air temperature
考题
单选题A fire, occurring in the windings, of an overloaded electrical motor, is considered a （）.A
class A fireB
class B fireC
class C fireD
class D fire
考题
单选题Great care is dedicated to the removal of from the scavenge air（）A
gravityB
viscosityC
densityD
humidity
考题
单选题A fire starts when the following （） factors come together.A
combustible materialB
ignition sourceC
oxygenD
A and B and C
考题
单选题Which of the following conditions may be attributed to a fouled turbocharger compressor inlet screen or filter?（）A
Decreasing scavenge air pressureB
Increasing exhaust temperatures before the turbineC
Reduction in engine speedD
All of the above
考题
单选题Which of the following statements represents the correct action to take when three crew members discover a fire?（）A
One man report the fire, and the other two men fight the fireB
One man report the fire, one man fight the fire, and one man evacuate and secure the areaC
One man report the fire, one man fight the fire, and one man act as a safety observerD
All three men fight the fire and report it immediately after it is extinguished
考题
单选题When fighting an oil or gasoline fire in the bilge，which of the following should NOT be used?（）A
FoamB
Solid stream water nozzleC
All-purpose nozzleD
Carbon dioxide
考题
单选题If the scavenge fire is of a more major nature, if there is a risk of the fire extending or if the scavenge trunk is adjacent to the crankcase with risk of a hot spot developing it sometimes becomes necessary to （）the engine.A
stopB
startC
speed upD
slow down
考题
单选题The scavenge air receiver is of a simplified and modular design with integral non-return flaps, hanging cooler and two auxiliary air blowers（）A
dozensB
parcelsC
bundlesD
gallons
考题
单选题（）is a type of fog occurring close to the sea surface when the air is dry and cold-probably at least 9℃ below the sea surface temperature.A
MIXING FOGB
ADVECTION FOGC
RADIATION FOGD
ARCTIC SEA SMOKE
考题
单选题When starting air is admitted, a diesel engine turns over very slowly without firingThe cause may be （）A
an obstruction in an cylinderB
water accumulation in some engine cylindersC
low starting air pressureD
low scavenge air pressure
考题
单选题The shaft and spare parts（） should be well greased in order to avoid corrosion.A
in the store roomB
in the cylinderC
in the scavenge air boxD
in the water box
考题
单选题If scavenge box should be hot, （）would occur.A
seized pistonB
defective atomizerC
scavenge fireD
too much LO
考题
单选题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 temperatureB
change the lube oil more frequently than normalC
maintain a higher air-box temperature than normalD
maintain a higher air-box pressure than normal
考题
单选题When received the order "finished with engine" which of the following operations is wrong?（）A
stop the LO pump, SW pump, FW pumpB
stop the priming FO transfer pumpC
engage the turning gearD
open the scavenge air belts drain valve and cover the turbocharger silencer with the dustproof cover
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