Internal Combustion Engines A diesel engine has 4 valves 1 valve 3 valves 2 valves 4 valves 1 valve 3 valves 2 valves ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Between 85 and 95% Between 95 and 100% Between 50 and 85% Below 50% Between 85 and 95% Between 95 and 100% Between 50 and 85% Below 50% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If V₁ is the jet velocity and V₀ is the vehicle velocity, then the propulsive efficiency of a rocket is given by (V₀/V₁)/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) V₁/(V₀ + V₁) [2(V₀/V₁)]/ [1 + (V₀/V₁)²] (V₀/V₁)/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) V₁/(V₀ + V₁) [2(V₀/V₁)]/ [1 + (V₀/V₁)²] ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The higher combustion chamber wall temperature in compression ignition engines will _________ knocking tendency. Not effect None of these Reduce Increase Not effect None of these Reduce Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens at bottom dead center and closes at top dead center May open and close anywhere Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens at bottom dead center and closes at top dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The theoretically correct mixture of air and petrol is 20 : 1 10 : 1 15 : 1 25 : 1 20 : 1 10 : 1 15 : 1 25 : 1 ANSWER DOWNLOAD EXAMIANS APP
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