Internal Combustion Engines Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to Red hot carbon deposits on cylinder walls Overheated spark plug points Any one of the listed here Cylinder walls being too hot Red hot carbon deposits on cylinder walls Overheated spark plug points Any one of the listed here Cylinder walls being too hot ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Stoichiometric ratio is Chemically correct air-fuel ratio by volume Chemically correct air-fuel ratio by weight None of these Actual air-fuel ratio for maximum efficiency Chemically correct air-fuel ratio by volume Chemically correct air-fuel ratio by weight None of these Actual air-fuel ratio for maximum efficiency 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 V₁/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) V₁/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per B.P. hour for a petrol engine is about 0.3 kg 0.25 kg 0.2 kg 0.35 kg 0.3 kg 0.25 kg 0.2 kg 0.35 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The object of providing masked inlet valve in the air passage of compression ignition engines is to Induce secondary turbulence Control air flow Enhance flow rate Induce primary swirl Induce secondary turbulence Control air flow Enhance flow rate Induce primary swirl ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine, during suction stroke, draws None of these Air only Diesel only A mixture of diesel and air None of these Air only Diesel only A mixture of diesel and air ANSWER DOWNLOAD EXAMIANS APP
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