你可能感兴趣的试题
the exhaust will be clear fuel consumption will be low all the fuel will be burned at top dead center fuel consumption will be high
ignition may be delayed fuel economy is not affected exhaust gas temperature will be unchanged the exhaust will be clear
a shortened ignition delay period a lean fuel/air mixture excess fuel in the combustion chamber rapid vaporization of injected fuel droplets
heat conduction into the injected fuel oil heat conduction into the water jacket wall water circulation through passages in the holder fuel oil circulation through passages in the holder
quantity of fuel injected is decreased quantity of fuel injected will always be increased start of injection is advanced duration of injection will always be greater
increase engine power increase engine load decrease engine power improve fuel economy
Air must be admitted/without Oil must be injected/without Air must be admitted/with Oil must be injected/with
is purified in timed is compressed atomizes
Quantity of fuel injected tends to be decreased Quantity of fuel injected will always be increased Start of injection tends to be advanced Duration of injection will always greater
is being passed are being passed have been passed has passed
controlling the amount of fuel injected into the cylinders varying the speed of the turbocharger adjusting the compression ratio changing the timing of the fuel injection camshaft
prolong the ignition delay period ensure the beginning of fuel injection thoroughly utilize the air charge allow controlled fuel combustion
degree of cylinder air turbulence firing pressure in the engine quality of fuel to be injected duration of the ignition delay period
stored in a common fuel line pumped by the injection pump at low pressure already atomized
the piston is just coming upward from the bottom dead center the piston has moved about one-fifth of the way up the piston has moved most of the way up and almost reached the TDC the piston has just past the TDC
the heat compressed fuel/air mixture in the cylinder the fuel igniter the fuel injector the fuel pump
valve will open later valves will close later amount of fuel injected will be increased amount of fuel injected will be decreased
the starting air supply is cut off and fuel is injected into the cylinders the fuel feeding is cut off and the turning gear is put in the starting air supply is cut off and turning gear is taken out the electric blower is shut down and fuel is injected into the cylinders
The amount of fuel injected will be increased The start of injection will be retarded The nozzle will permit fuel to dribble The spray pattern will be distorted