Internal Combustion Engines The reference fuels for knock rating of spark ignition engines would include Iso-octane and alpha-methyl naphthalene Iso-octane and normal hexane Normal octane and aniline Normal heptane and iso-octane Iso-octane and alpha-methyl naphthalene Iso-octane and normal hexane Normal octane and aniline Normal heptane and iso-octane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The normal heptane (C₇H₁₆) is given a rating of ________ octane number. 100 120 50 0 100 120 50 0 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will None of these Decrease Remain same Increase None of these Decrease Remain same Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed 120°C 180°C 240°C 80°C 120°C 180°C 240°C 80°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A carburettor is used to supply Petrol and lubricating oil Petrol and air Petrol, air and lubricating oil Air and diesel Petrol and lubricating oil Petrol and air Petrol, air and lubricating oil Air and diesel 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‚)/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚€/(Vâ‚€ + Vâ‚) Vâ‚/(Vâ‚€ + Vâ‚) [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚€/(Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS