piston rod guides
engine thrust bearing
crosshead bearing
main shaft flexible coupling
第1题：
once every crankshaft revolution
once every two crankshaft revolutions
once every piston stroke
twice every piston stroke
第2题：
tension load twice each crankshaft revolution
compression load during power and compression strokes
inertia load once every four crankshaft revolutions
bending loads at bottom and top dead center
第3题：
An increase in load on a diesel engine results in _____ of speed of the crankshaft.
A.a reduction
B.an increase
C.an outing
D.a downwards
第4题：
Plugged injector nozzles
Excessive fuel injection
Very late injection timing
Incorrect crankshaft clearance
第5题：
one half crankshaft speed in a two-stroke cycle diesel engine
crankshaft speed in a two-stroke cycle diesel engine
two times crankshaft speed in a two-stroke cycle diesel engine
one-fourth times crankshaft speed in a four-stroke cycle diesel engine
第6题：
Planetary gear set
Torsional vibration damper
Friction clutch
Air bladder clutch
第7题：
slow-speed diesel
medium-speed diesel
high-speed diesel
constant-speed diesel
第8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9题：
increasing the quantity of starting air
increasing the lube oil pressure
heating the engine fuel supply
heating the engine coolant
第10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