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‚)/ [1 + (Vâ‚€/Vâ‚)²] [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) Vâ‚€/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) Vâ‚€/(Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A spark plug gap is kept from 0.6 to 1.0 mm 0.4 to 0.9 mm 0.3 to 0.7 mm 0.2 to 0.8 mm 0.6 to 1.0 mm 0.4 to 0.9 mm 0.3 to 0.7 mm 0.2 to 0.8 mm ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The two reference fuels used for cetane rating are Cetane and iso-octane Cetane and normal heptane Cetane and alpha-methyl naphthalene Cetane and tetra ethyl lead Cetane and iso-octane Cetane and normal heptane Cetane and alpha-methyl naphthalene Cetane and tetra ethyl lead ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Scavenging air in diesel engine means Forced air for cooling cylinder Air used for combustion sent under pressure Burnt air containing products of combustion Air used for forcing burnt gases out of engine's cylinder during the exhaust period Forced air for cooling cylinder Air used for combustion sent under pressure Burnt air containing products of combustion Air used for forcing burnt gases out of engine's cylinder during the exhaust period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as Centre of gravity Centre of pressure Centre of buoyancy Metacentre Centre of gravity Centre of pressure Centre of buoyancy Metacentre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The theoretically correct air fuel ratio for petrol engine is of the order of 0.62569444444444 0.50069444444444 0.37569444444444 0.25069444444444 0.62569444444444 0.50069444444444 0.37569444444444 0.25069444444444 ANSWER DOWNLOAD EXAMIANS APP
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