Internal Combustion Engines The theoretically correct mixture of air and petrol is 20 : 1 15 : 1 25 : 1 10 : 1 20 : 1 15 : 1 25 : 1 10 : 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase in intake temperature of internal combustion engines will ___ efficiency. Decrease None of the listed here Have no effect on Increase Decrease None of the listed here Have no effect on Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum temperature in the I.C. engine cylinder is of the order of 500-1000°C 1000-1500°C 2000-2500°C 1500-2000°C 500-1000°C 1000-1500°C 2000-2500°C 1500-2000°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The correct sequence of the decreasing order of brake thermal efficiency of the three given basic types of engines is Two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. engine Four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine Four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine Four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine Two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. engine Four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine Four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine Four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a coil ignition system of petrol engines, a condenser is connected across the contact breaker in order to Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Both (A) and (B) None of these Prevent sparking across the gap between the points Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Both (A) and (B) None of these Prevent sparking across the gap between the points ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of cooling water temperature in petrol engine will _________ the knocking tendency. Decrease None of these Not effect Increase Decrease None of these Not effect Increase ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS