A.build up the piston crown by metal spraying
B.build up the cylinder head by metal spraying
C.insert shims between the crankpin bearing box and the connecting rod foot
D.install a thinner head gasket
您可能感興趣的試卷
你可能感興趣的試題
A.cetane number of 55
B.cetane number of 45
C.octane number of 55
D.octane number of 45
A.increase
B.decrease
C.remain the same
D.increase on compression decrease on expansion
A.ignition quality of the fuel
B.high heating value of the fuel
C.amount of carbon residue after combustion
D.internal flow resistance in the injectors
A.has little or no internal friction
B.has a lower effective compression ratio
C.operates with scavenge air under a positive pressure
D.operates without energy absorbing intake and exhaust strokes
A.Decreased connecting rod bearing clearance
B.Increased connecting rod bearing clearance
C.Decreased compression ratio
D.Increased compression ratio
最新試題
Diesel engine air start system check valves are opened by （）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
Which of the following items don’t belong to dock repair works?（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
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
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
The main purpose of port State control is not to（）
To proceed to the assistance of a ship in distress is（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）