Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.3 0.15 0.7 0.5 0.3 0.15 0.7 0.5 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The inlet value of a four stroke cycle I.C engine remains open for nearly 180° 125° 235° 200° 180° 125° 235° 200° ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to Delayed burning of the first part of the charge Instantaneous and rapid burning of the first part of the charge Reduction of delay period Instantaneous auto ignition of last part of charge Delayed burning of the first part of the charge Instantaneous and rapid burning of the first part of the charge Reduction of delay period Instantaneous auto ignition of last part of charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = B.P/I.P None of these ηm = I.P/B.P ηm = (B.P × I.P)/100 ηm = B.P/I.P None of these ηm = I.P/B.P ηm = (B.P × I.P)/100 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. One-half Equal to Twice Four-times One-half Equal to Twice Four-times ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A spark plug gap is kept from 0.3 to 0.7 mm 0.6 to 1.0 mm 0.2 to 0.8 mm 0.4 to 0.9 mm 0.3 to 0.7 mm 0.6 to 1.0 mm 0.2 to 0.8 mm 0.4 to 0.9 mm ANSWER DOWNLOAD EXAMIANS APP