The minimum speed an engine must attain before ignition can occur depends upon （）.

[单选题]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

[单选题]As to the low speed diesel engine, if you want to change the coolant flow for a certain cylinder, you can regulate （）.A . the inlet valveB . the outlet valveC . both the inlet valve and the outlet valveD . the pump inlet valve

[试题]What must be prepare for the Engine department before entering harbour?

[单选题]The diesel engine must be started before it can run by it self For this purpose （） has to be used.A . a starting systemB . the starting airC . a starting operationD . A, B and C

[单选题]In a diesel engine, fuel must be broken up into a spray of fine droplets to （）.A . increase its qualityB . obtain complete burningC . reduce its weightD . all of the above

[单选题]The minimum rate of return an investor must receive in order to accept an i

[填空题] Engine speed sensor---G28 No Singna1的中文意思是（）。

[单选题]In this passage, the word attain means ______.A． seeB． pushC． buryD． reach

[单选题]当出现“SPEED，SPEED，SPEED”的语音警告时表示：（）A .速度超限B .当前推力不足以通过俯仰操纵来恢复正常飞行C .速度偏离选择或管理的速度

[单选题]Propeller pitch speed minus ship speed divided by the propeller pitch speed is termedA．apparent slipB．true slipC．pitchD．propulsive efficiency