Internal Combustion Engines The pressure and temperature at the end of compression stroke in a petrol engine are of the order of 4-6 kg/cm² and 200-250°C 12-20 kg/cm² and 350-450°C 20-30 kg/cm² and 450-500°C 6-12 kg/cm² and 250-350°C 4-6 kg/cm² and 200-250°C 12-20 kg/cm² and 350-450°C 20-30 kg/cm² and 450-500°C 6-12 kg/cm² and 250-350°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle engine, the sequence of operations is Suction, compression, expansion and exhaust Suction, expansion, compression and exhaust Compression, expansion, suction and exhaust Expansion, compression, suction and exhaust Suction, compression, expansion and exhaust Suction, expansion, compression and exhaust Compression, expansion, suction and exhaust Expansion, compression, suction and exhaust ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = B.P/I.P None of the listed here ηm = (B.P × I.P)/100 ηm = I.P/B.P ηm = B.P/I.P None of the listed here ηm = (B.P × I.P)/100 ηm = I.P/B.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The minimum cranking speed in case of petrol engine is about 60 - 80 rpm Half the operating speed One fourth of operating speed 250 - 300 rpm 60 - 80 rpm Half the operating speed One fourth of operating speed 250 - 300 rpm ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The purpose of testing an internal combustion engine is To satisfy the customer regarding the performance of the engine To determine the information, which cannot be obtained by calculations To conform the data used in design, the validity of which may be doubtful All of these To satisfy the customer regarding the performance of the engine To determine the information, which cannot be obtained by calculations To conform the data used in design, the validity of which may be doubtful All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A stoichiometric air-fuel ratio is Chemically correct mixture Rich mixture for over loads Lean mixture Rich mixture for idling Chemically correct mixture Rich mixture for over loads Lean mixture Rich mixture for idling ANSWER DOWNLOAD EXAMIANS APP
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