Alarge,low-speed,mainpropulsiondieselengineusesseawatertodirectlycoolthe（）.
A: cylinderheads
B: exhaustvalves
C: scavengingair
D: injectors
A: cylinderheads
B: exhaustvalves
C: scavengingair
D: injectors
C
举一反三
- Alarge,low-speed,crosshead,mainpropulsiondieselengineusingresidualfueloilsmusthaveacylinderoilhavinga（） A: lowTBNvalue B: highalkalinereserve C: lowflashpoint D: highpourpoint
- low speed A: 低速 B: 中速
- Low speed A: 高速 B: 低速 C: 中速 D: 横流扫气
- The PMC ( ). A: Has no effect at low idle speed B: Is powered by the aircraft C: Can cause a reduction in engine speed only D: Is equipped with the power trim adjustment
- What are the main restrictions on the maneuverability of the direct drive propulsion system when it is moving at a low speed?_____ A: Minimum stable speed of main engine B: Reduction gearbox speed C: Clutch performance D: Propeller size
内容
- 0
The computer works with high calculating speed, high stability and low consumption.
- 1
To increase the distance to the vessel ahead by reducing one's own speed means ___ . A: fall back B: keep low speed C: unning afte D: drop back
- 2
The phenomenon of flutter occurs: A: Rather at low speed and low altitude. B: Rather at high altitude and high angle of attack. C: Rather at high speed. D: Rather transonic, beyond the critical Mach.
- 3
When the car is at low speed, coasting or idling, only the battery offers the electric power to the motor．
- 4
As to the low speed diesel engine， if you want to change the coolant flow for a certain cylinder， you can regulate （）.