the thrust pads are while metal faced on both sides
the thrust pads are while metal faced only on the forward side
the thrust pads are while metal faced only on the after side
intermediate shaft usually supported by a plummer block
第1题:
Compared to a constant pitch propeller, a controllable pitch propeller
A.more efficiently uses available engine power
B.operates at a lower efficiency at a fixed speed
C.produces the same torque at lower engine power
D.develops its rated power at a lower speed
第2题:
reduce the fuel feeding of main engine of inner propeller
reduce the fuel feeding of main engine of outer propeller
firstly reduce the fuel of main engine of inner propeller, then reduce the fuel feeding of engine of outer propeller
reduce fuel feeding of two engines at the same time
第3题:
A thrust bearing is used with a propulsion diesel engine to ____.
A.control axial movement of the crankshaft
B.transmit engine thrust to the propeller shaft
C.absorb vibrations in the propeller shafting
D.prevent propeller thrust from being transmitted to the hull
第4题:
To reduce the main engine speed
To increase the main engine speed
To govern the main engine speed
To fix the propeller shaft
第5题:
control axial movement of the crankshaft
transmit engine thrust to the propeller shaft
absorb vibrations in the propeller shafting
prevent propeller thrust from being transmitted to the hul
第6题:
Ⅰ + Ⅱ
Ⅰ ~ Ⅲ
Ⅰ ~ Ⅳ
Ⅰ + Ⅱ + Ⅳ
第7题:
open the bypass line
cut in the lube oil cooler
pressurize the lube oil system
top off the expansion tank
第8题:
A controllable pitch propeller on a diesel driven vessel eliminates the need for
A.friction clutches
B.disconnect clutches
C.reversing gears
D.reduction gears
第9题:
propeller
flying wheel
main engine
crankshaft
第10题:
transmit the thrust of the engine to the propeller
transmit the thrust of the propeller to the vessel
absorb the shock of wave pressure at the bow
be placed between the engines and the foundation to absorb the vibration