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
您可能感興趣的試卷
你可能感興趣的試題
A.Intake stroke
B.Compression stroke
C.Exhaust stroke
D.Pumping stroke
A.opening the exhaust ports
B.closing the fuel ports
C.farthest from the cylinder head
D.nearest to the cylinder head
A.indicated horsepower
B.mean effective pressure
C.exhaust back pressure
D.compression pressure
A.the same indicated horsepower as a four-stroke/cycle engine
B.twice the indicated horsepower as a four-stroke/cycle engine
C.one half indicated horsepower as a four-stroke/cycle engine
D.one power stroke for every two crankshaft revolutions
A.opposed-piston engine
B.double-acting engine
C.two-stroke/cycle engine
D.four-stroke/cycle engine
最新試題
Which of the following items don’t belong to dock repair works?（）
Under MARPOL Code the ship to which it applies has to carry （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Using a file without a handle may result in （）
The shipboard oil pollution emergency plan will be invalid after （）
The main purpose of port State control is not to（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
Flame failure in an automatically fired auxiliary boiler can from a/an （）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）