The ratio of the brake horsepower to the indicate of a diesel engine is its ()
A、thermal efficiency
B、mechanical efficiency
C、brake thermal efficiency
D、volumetric efficiency
A、thermal efficiency
B、mechanical efficiency
C、brake thermal efficiency
D、volumetric efficiency
A、Higher compression ratios create higher temperature B、Higher temperatures create higher compression ratios C、low temperatures create higher compression ratios D、Higher compression ratios create low temperatures
A、An increase in compression ratio will increase the ignition lag B、An increase in compression ratio will decrease the ignition lag C、A decrease in compression ratio will decrease the ignition lag D、A decrease in ignition lag will increase the compression ratio
A、controlling the amount of fuel injected into the cylinders B、varying the speed of the turbocharger C、adjusting the compression ratio D、changing the timing of the fuel injection camshaft
A、Shape of the piston crowns B、Increasing the compression ratios C、Increasing the piston crowns D、Increasing the turbocharger gear ratio
A、amount of scavenge air to the cylinder B、quality of fuel injected C、viscosity of the lube oil D、compression ratio of the piston