A.rotary；reciprocating
B.up and down；fore and aft
C.fore and aft；up and down
D.up and down；rotary
您可能感興趣的試卷
你可能感興趣的試題
A.camshaft
B.piston movement
C.exhaust valves
D.vertical drive
A.exhaust pressure
B.valve spring pressure
C.rocker arm movement
D.wrist pin movement
A.piston rod guides
B.engine thrust bearing
C.crosshead bearing
D.main shaft flexible coupling
A.opening the exhaust ports
B.placed on top of the engine along its centerline
C.farthest from the cylinder head
D.nearest to the cylinder head
A.Intake stroke
B.Compression stroke
C.Exhaust stroke
D.Pumping stroke
最新試題
The ISPS Code consists of a mandatory section-Part A, which shows（）
The shipboard oil pollution emergency plan will be invalid after （）
Using a file without a handle may result in （）
Under MARPOL Code the ship to which it applies has to carry （）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
If separating effect is not good, which measure should be taken （）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
To proceed to the assistance of a ship in distress is（）