Internal Combustion Engines Which of the following fuel detonates readily? Benzene Iso-octane Normal heptane Alcohol Benzene Iso-octane Normal heptane Alcohol ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The accumulation of carbon in a cylinder results in increase of Effective compression ratio Clearance volume Volumetric efficiency Ignition time Effective compression ratio Clearance volume Volumetric efficiency Ignition time ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If Vâ‚ is the jet velocity and Vâ‚€ is the vehicle velocity, then the propulsive efficiency of a rocket is given by Vâ‚/(Vâ‚€ + Vâ‚) [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚€/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚€/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines It the temperature of intake air in IC engines is lowered, then its efficiency will Increase Increase up to certain limit and then decrease Decrease Remain same Increase Increase up to certain limit and then decrease Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of cetane number 40 has the same ignition quality as a mixture of 40% alpha methyl naphthalene and 60% cetane 40% diesel and 60% petrol 40% cetane and 60% alpha methyl naphthalene 40% petrol and 60% diesel 40% alpha methyl naphthalene and 60% cetane 40% diesel and 60% petrol 40% cetane and 60% alpha methyl naphthalene 40% petrol and 60% diesel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The normal heptane (C₇H₁₆) is given a rating of ________ octane number. 120 100 50 0 120 100 50 0 ANSWER DOWNLOAD EXAMIANS APP