Internal Combustion Engines Crankcase explosion in I.C. engines usually occurs as First a big explosion followed by a mil explosion Never occurs Both mild and big explosions occurs simultaneously First a mild explosion followed by a bi explosion First a big explosion followed by a mil explosion Never occurs Both mild and big explosions occurs simultaneously First a mild explosion followed by a bi explosion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens at bottom dead center and closes at top dead center May open and close anywhere Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at bottom dead center and closes at top dead center May open and close anywhere Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the Beginning of suction stroke Beginning of exhaust stroke End of exhaust stroke End of suction stroke Beginning of suction stroke Beginning of exhaust stroke End of exhaust stroke End of suction stroke ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The probability of knocking in diesel engines is increased by Low volatility High self ignition temperature All of these Higher viscosity Low volatility High self ignition temperature All of these Higher viscosity ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = I.P/B.P ηm = B.P/I.P None of these ηm = (B.P × I.P)/100 ηm = I.P/B.P ηm = B.P/I.P None of these ηm = (B.P × I.P)/100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Iso-octane (C₈Hâ‚₈) has octane number of 120 50 100 120 50 100 ANSWER DOWNLOAD EXAMIANS APP
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