Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = I.P/B.P ηm = (B.P × I.P)/100 None of these ηm = B.P/I.P ηm = I.P/B.P ηm = (B.P × I.P)/100 None of these ηm = B.P/I.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition of the charge by some hot surface within the engine before the passage of spark is called Auto-ignition Pre-ignition Ignition delay Detonation Auto-ignition Pre-ignition Ignition delay Detonation ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, if diesel is used, then the engine will Run more efficiently Explode Run at high speed Not run Run more efficiently Explode Run at high speed Not run ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Below 50% Between 85 and 95% Between 95 and 100% Between 50 and 85% Below 50% Between 85 and 95% Between 95 and 100% Between 50 and 85% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding normal cetane? All of these Its chemical name is normal hexadecane It has long carbon chain structure It is a standard fuel used for knock rating of diesel engines All of these Its chemical name is normal hexadecane It has long carbon chain structure It is a standard fuel used for knock rating of diesel engines 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
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