Internal Combustion Engines Which of the following is not an intern’s combustion engine? Steam turbine 2-stroke petrol engine 4-stroke petrol engine Diesel engine Steam turbine 2-stroke petrol engine 4-stroke petrol engine Diesel engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The octane number of petrol, generally available, is 20 to 40 80 to 100 60 to 80 40 to 60 20 to 40 80 to 100 60 to 80 40 to 60 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) [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Crankcase explosion in I.C. engines usually occurs as Both mild and big explosions occurs simultaneously Never occurs First a big explosion followed by a mil explosion First a mild explosion followed by a bi explosion Both mild and big explosions occurs simultaneously Never occurs First a big explosion followed by a mil explosion First a mild explosion followed by a bi explosion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by All of these Reducing the delay period Raising the compression ratio Increasing the inlet pressure of air All of these Reducing the delay period Raising the compression ratio Increasing the inlet pressure of air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Number of working strokes per min. for a two stroke cycle engine is ____ the speed of the engine in r.p.m. Twice Four-times One-half Equal to Twice Four-times One-half Equal to ANSWER DOWNLOAD EXAMIANS APP
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