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Engine speed sensor---G28 No Singna1的中文意思是（）。
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更多 “Engine speed sensor---G28 No Singna1的中文意思是（）。” 相关考题
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A diesel engine experiences a sudden loss in speed, accompanied by black exhaust smoke, with the fuel rack at maximum, and speed remaining below normal .the probable ___.A.engine overloadB.leaky valvesC.stuck or broken piston ringsD.low air injection pressure
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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
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In reducing engine speed to an efficient propeller speed by the use of reduction gears, _______.A.speed and torque are both reducedB.speed is reduced and torque remains unchangedC.speed is reduced and torque is increasedD.speed is sometimes unchanged while torque is increased
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A governor automatically controls engine speed by regulating ___ .A.fuel supplyB.firing orderC.engine loadD.oil level
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单选题To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）A
Speed limiting governorB
Over-speed governorC
Over-speed tripD
Over-speed relay
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单选题Load control on a diesel engine is accomplished by （）.A
regulating the speed of the turbochargerB
rotating the fuel injector pump plungerC
regulating the speed of the fuel oil transfer pumpD
changing engine timing
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单选题If keep the fuel injection of main engine unchanged when ship is fouled, that will causeⅠ.The speed of main engine to be reduced Ⅱ.Ship speed to be reduced Ⅲ.The resistance torque of propeller to be increased Ⅳ.Trim at stern to increase（）A
Ⅰ + ⅡB
Ⅰ ~ ⅢC
Ⅰ ~ ⅣD
Ⅰ + Ⅱ + Ⅳ
考题
单选题An over-speed trip serves to （）A
stop the engine by cutting off the cooling water supplyB
stop the engine by closing the air intakeC
slow the engine but not stop itD
slow the engine to half of normal load
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单选题A diesel engine which is rated for normal operation at a crankshaft speed of 800 RPM, is commonly classed as a （）.A
slow-speed dieselB
medium-speed dieselC
high-speed dieselD
constant-speed diesel
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单选题（） can be found on most medium to large merchant vessels even if the main engine is either a steam turbine or 2-stroke crosshead engine.A
The medium speed 4-stroke trunk piston engineB
The low speed 2-stroke crosshead engineC
The medium speed 2-stroke crosshead engineD
The low speed 4-stroke trunk piston engine
考题
单选题In a four-stroke engine the camshaft rotates at （）.A
half the engine speedB
twice the engine speedC
the engine speedD
four times the engine speed
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单选题The knock occurring when a cold diesel engine is started and continues while running at low speed, but stops when the engine reaches normal operating speed and temperature, is（）.A
caused by retarded injection timingB
caused by a mechanical defect in one cylinderC
caused by high fuel injection pressuresD
normal for these conditions
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单选题Which of the following procedures should be carried out when a large, low-speed, diesel engine is operated with one cylinder secured?（）A
Lubrication to the defective cylinder should be increasedB
Cooling water temperature to the engine should be increasedC
Only the turbocharger speed should be reducedD
Engine speed should be reduced
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单选题Why a gearbox is needed in a ship driven by a medium-speed diesel engine?（）A
To reduce the main engine speedB
To increase the main engine speedC
To govern the main engine speedD
To fix the propeller shaft
考题
单选题The device used to limit engine torque at various engine speeds is called a （）A
speed limiting governorB
variable speed governorC
constant speed governorD
load limiting governor
考题
单选题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 pressureB
scavenge air pressureC
over-speed tripD
banjo oiler line
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单选题The governor of a generator engine is to （）.A
make the engine stopB
regulate the timing of camshaftsC
make the rpm stabilize at any required valueD
make the engine run at nearly constant speed
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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Increasing the load on an engine equipped with a constant speed mechanical governor, will cause the engine speed to initially （）.A
increaseB
decreaseC
fluctuateD
remain constant
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单选题A diesel engine is equipped with an isochronous hydraulic governorA decrease in load will cause the engine speed to （）A
decrease onlyB
increase onlyC
decrease slightly then returned to original speedD
increase slightly then returned to original speed
考题
单选题The term medium speed diesel engine is currently taken to mean an engine with an operating rotational speed of （） rpm.A
below 300B
above 1200C
between 300 to 1200D
below 1200
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单选题If the speed of a turbocharged diesel engine is maintained constant the turbocharger speed will （）A
decrease until the engine speed increasesB
increase as the load increasesC
decrease as the loadD
increases remain unchanged
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单选题In a main propulsion turbocharged diesel engine, the speed of the turbocharger varies according to the （）A
governor droopB
speeder spring tensionC
fuel rack lagD
load on the engine
考题
单选题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
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单选题A six-cylinder, two-stroke/cycle diesel engine is fitted with a rotary distributing air starting systemThe speed of the rotating distributor disc is （）A
one-half engine speedB
the same as engine speedC
twice engine speedD
four times engine speed
考题
单选题In a four-stroke engines the camshaft rotates at （）.A
half the engine rotational speedB
twice the engine rotational speedC
the engine rotational speedD
four times the engine rotational speed
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