Internal Combustion Engines The theoretically correct mixture of air and petrol is 10 : 1 15 : 1 25 : 1 20 : 1 10 : 1 15 : 1 25 : 1 20 : 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The _________ engines can work on very lean mixture of fuel. Both (A) and (B) Compression ignition Spark ignition None of these Both (A) and (B) Compression ignition Spark ignition None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.3 0.5 0.15 0.7 0.3 0.5 0.15 0.7 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in spark ignition engines can be reduced by Retarding the spark None of these Both (A) and (B) Increasing the engine speed Retarding the spark None of these Both (A) and (B) Increasing the engine speed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure in the engine cylinder is known as Supercharging Turbulence Scavenging Pre-ignition Supercharging Turbulence Scavenging Pre-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Number of working strokes per min. for a two stroke cycle engine is ____ the speed of the engine in r.p.m. Twice One-half Four-times Equal to Twice One-half Four-times Equal to ANSWER DOWNLOAD EXAMIANS APP
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