A . reduce mean effective pressure
B . decrease average compression pressure
C . decrease air charge density
D . increase power output
[单选题]Compressed air is supplied by air compression to ().A . the air receiversB . the starting valvesC . the cylinder coversD . the distributor
[单选题]The compressed air is supplied by () to the air reservoirs.A . compressorsB . forced fansC . ventilatorsD . generator
[单选题]What is the effect of heated intake air on a diesel engine? ()A . Increases efficiencyB . Increases engine horsepowerC . Increases engine lifeD . Reduces engine horsepower
[单选题]A restricted air intake to a diesel engine may result in the engine ().A . failing to reach rated speedB . knocking under maximum loadC . hunting or surging under light loadD . overspeeding and running away
[单选题]________is supplied with electricity by main switchboard directly not through sub-board on boardA.Deck machineryB.Little power loadC.Some important load machineryD.Stationary submersible pump
[单选题]F.or _______the power is supplied by main switchboard directly not through sub-boardA.saving network costB.improving the reliability of supplying power to important loadC.preventing sequence reversingD.increasing the power Factor of important load
[单选题]Fuel is not supplied to the corresponding cylinders due to ().A . a failure of the motorB . a failure of lubricatorC . a failure of cylinderD . a failure of fuel pum
[单选题]() is (are) not power supplied by main switchboard directly.A . Steering gear and windlassB . Navigation light and radio power panelC . Navigation device power boxD . Daily fresh water pum
[单选题]What is the purpose of the intake/exhaust valves in a diesel engine? ()A . They regulate the combustion cycleB . They supply cooling waterC . They synchronize the ignition sparkD . They supply and regulate the lubricant flow
[单选题]Lubricating oil is supplied to the crank-pin bearings in a marine diesel engine by ().A . internal crankshaft passagesB . immersion in oilC . splash lubricationD . injection lubricatio