Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at bottom dead center and closes at top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center May open and close anywhere Opens at bottom dead center and closes at top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine has 2 valves 1 valve 3 valves 4 valves 2 valves 1 valve 3 valves 4 valves ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If V₁ is the jet velocity and V₀ is the vehicle velocity, then propulsive efficiency of a turbojet engine is 2V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) 2V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) 2V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) 2V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have Low density Long ignition delay Low temperature All of these Low density Long ignition delay Low temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The two reference fuels used for cetane rating are Cetane and alpha-methyl naphthalene Cetane and normal heptane Cetane and tetra ethyl lead Cetane and iso-octane Cetane and alpha-methyl naphthalene Cetane and normal heptane Cetane and tetra ethyl lead Cetane and iso-octane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the inlet valve Opens at 20° after top dead center and closes at 20° before bottom dead center May open or close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center May open or close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS