单项选择题
A.turbocharger will stall B.density of the air charge will decrease C.scavenge effect will increase D.exhaust pressure will increase
The amount of fuel injection into a diesel engine cylin...
单项选择题The amount of fuel injection into a diesel engine cylinder by a unit injector, is controlled by（）
A.the firing pressure in the cylinder B.a metering helix inside the pump C.varying the physical length of the plunger stroke D.varying the clearance between the injector cam and the injector rocker arm
Which of the following should always be checked prior t...
单项选择题Which of the following should always be checked prior to starting a diesel engine?（）
A.Air filters B.Fuel oil strainers C.Crank case oil level D.Pyrometer readings
An after-cooler installed between the turbocharger and ...
单项选择题An after-cooler installed between the turbocharger and the cylinder air inlet （）
A.increases the density of the air B.decrease the density of the air C.increases the specific heat of the air D.decreases the specific heat of the exhaust
