Internal Combustion Engines In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have Low temperature Long ignition delay All of these Low density Low temperature Long ignition delay All of these Low density ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The normal heptane (C₇Hâ‚₆) is given a rating of ________ octane number. 50 120 100 50 120 100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following does not relate to a compression ignition engine? Fuel injector Fuel pump Governor Carburettor Fuel injector Fuel pump Governor Carburettor ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will Remain same Increase Decrease None of these Remain same Increase Decrease None of these 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/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) V₀/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] [2(V₀/V₁)]/ [1 + (V₀/V₁)²] ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called Relative efficiency Overall efficiency Efficiency ratio Net efficiency Relative efficiency Overall efficiency Efficiency ratio Net efficiency ANSWER DOWNLOAD EXAMIANS APP
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