网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
单选题
If the action of the engine indicates that some of the cylinders are not firing, the ones affected may be determined by watching ().
A
the bad smoke
B
the smoky exhaust
C
the exhaust temperature
D
the peak pressure
参考答案
参考解析
解析:
暂无解析
更多 “单选题If the action of the engine indicates that some of the cylinders are not firing, the ones affected may be determined by watching ().A the bad smokeB the smoky exhaustC the exhaust temperatureD the peak pressure” 相关考题
考题
My ship’s engine responds well to telegraph orders and takes about 80 seconds to reverse from full speed ahead to full speed astern. This sentence ______.A.indicates the engine’s particularsB.tells the engine’s functionC.shows the engine’s typeD.refers to the engine’s information
考题
If a used lube oil analysis indicates excessive chromate content, this meansA.air filtration is inadequateB.engine coolant is leaking into the lube oilC.fuel oil is leaking into the lube oilD.the piston rings are excessive worn
考题
In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces_______ .A.all of the oil used by the engine through a filterB.some of the oil used by the engine through a filterC.some of the oil used by the engine through a centrifugeD.all of the oil used by the engine through a centrifuge
考题
if you make some mistakes as you put down the figures in the engine logbook , what will you do ?
考题
A vessel is heading magnetic north and its magnetic compass indicates a heading of 003°. What action should be taken to remove this error during compass adjustment?A.Move the quadrantal spheres closer to the compassB.Raise the heeling magnet if the red end is upC.Remove some of the Flinders barD.Raise or lower the athwartship magnets
考题
According to Searle,those illocutionary acts whose point is to commit the speaker to some future course of action are called ().AcommisivesBdirectivesCexpressivesDdeclaratives
考题
单选题A decrease in the flash point of diesel engine lube oil indicates the lube oil has become ().A
contaminated with sludgeB
contaminated with carbonC
diluted with fuel oilD
diluted with water
考题
单选题Black smoke exhausting from a diesel engine indicates()A
proper fuel injectionB
water in the fuelC
incomplete combustionD
burning of lube oil
考题
单选题Which one is NOT the ‘clear grounds’ for a more detailed inspection?()A
absence of engine log bookB
serious corrosion on the hullC
one page missing in the oil record bookD
paint peeling off some tailings in engine rooms
考题
单选题The opening of an exhaust valve on a modem, large, low-speed, main propulsion diesel engine may be actuated by ().A
direct action of cam shaftB
compressed air pressureC
hydraulic “push rods”D
direct action of the main piston moving down
考题
单选题The diesel engine exhaust gas bypass, as fitted with some waste heat boilers, is installed to ()A
prevent engine back pressure at heavy loadsB
increase total engine efficiency at low loadsC
prevent boiler corrosion at low engine loadsD
improve engine fuel consumption at any load
考题
单选题The trouble-free life of an engine indicates ().A
the period of time during which no trouble occurs to the engineB
no trouble will occur to the engine all its lifeC
trouble may occur freely to the engineD
no matter what you do to the engine, no trouble will occur during this period
考题
单选题A vessel is heading magnetic north and its magnetic compass indicates a heading of 003°. What action should be taken to remove this error during compass adjustment? ()A
Move the quadrantal spheres closer to the compassB
Raise the heeling magnet if the red end is upC
Remove some of the Flinders barD
Raise or lower the athwartship magnets
考题
单选题A vessel is heading magnetic east and its magnetic compass indicates a heading of 086°. Which action should be taken to remove this error during compass adjustment?()A
If the blue ends of the magnets are aft,and the fore-and-aft tray is at the top,you should add some magnets.B
If the blue ends of the magnets are aft you should lower the fore-and-aft trayC
If the blue ends of the magnets are aft,and the fore-and-aft tray is at the top,you should reverse the magnetsD
If the blue ends of the magnets are forward,and the fore-and-aft tray is at the bottom,you should add some magnets
考题
单选题A vessel is heading magnetic east and its magnetic compass indicates a heading of 086°.Which action should be taken to remove this error during compass adjustment().A
If the blue ends of the magnets are aft,and the fore-and-aft tray is at the top,you should add some magnetsB
If the blue ends of the magnets are aft you should lower the fore-and-aft trayC
If the blue ends of the magnets are aft,and the fore-and-aft tray is at the top,you should reverse the magnetsD
If the blue ends of the magnets are forward,and the fore-and-aft tray is at the bottom,you should add some magnets
考题
单选题In conventional systems, the injection pressure(), while it’s()in common rail diesel engines.A
fluctuates with the engine speed to some extent, independent of the engine speedB
keeps constant at all engine speed, dependent on the engine speed to some extentC
keeps constant at all engine speed, independent of the engine speedD
is decided by the engine speed, constant at all engine speed
考题
单选题The exhaust boilers are used to recover some of () carried in the exhaust gas from the main engine.A
waterB
oilC
heatD
steam
考题
单选题During an engine room watch if immediate action is necessary to ensure safety of the ship its machinery and crew ()A
the chief engineer must be informed at firstB
the captain must be informed at firstC
it must be taken by the duty engineerD
the generator engine must be stopped
考题
单选题A bright shiny appearance of the sealing surfaces on diesel engine compression rings indicates()A
combustion gas blow-byB
excessive lubricationC
properly functioning ringsD
insufficient cylinder cooling
考题
单选题A diesel engine cooling water system with a pH factor of 30 indicates a condition of ().A
slight acidityB
slight alkalinityC
excessive alkalinityD
excessive acidity
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If the chemical analysis of a lube oil sample taken from a diesel engine indicates an increased neutralization number, the ().A
acidity has increasedB
viscosity has decreasedC
demulsibility has improvedD
foaming is guaranteed to occur
考题
单选题The Urgency Signal()indicates that the station calling has a very urgent message to transmit concerning the safety of a ship or aircraft,or of some person on board or within sight.A
SOSB
XXXC
TTTD
PAN
考题
单选题In a diesel engine cooling water system, a pH of 60 indicates a/an ().A
slightly acidic conditionB
slightly alkaline conditionC
overtreatment of waterD
neutral condition of water
考题
单选题The direct acting mechanical governor used with some small diesel engines, controls fuel flow to the engine by()A
governor flyweight action on a pilot valve which controls fuel injectionB
governor flyweight motion acting on fuel controls through suitable linkageC
positioning a butterfly valve in the fuel delivery system positioningD
a servomotor piston attached to the fuel controls
考题
单选题Valves in the cylinder head of a diesel engine are opened by the direct action of the()A
exhaust pressureB
valve spring pressureC
rocker arm movementD
wrist pin movement
考题
单选题The intake ports of a two-strike/cycle diesel engine are opened and closed by the action of the ()A
camshaftB
piston movementC
exhaust valvesD
vertical drive
热门标签
最新试卷