Internal Combustion Engines The term scavenging is generally associated with 2-stroke cycle engines High efficiency engines Aeroplane engines 4-stroke cycle engines 2-stroke cycle engines High efficiency engines Aeroplane engines 4-stroke cycle engines ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If V₁ is the jet velocity and V₀ is the vehicle velocity, then propulsive efficiency of a turbojet engine is 2V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) 2V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) 2V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) 2V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air requirement of a petrol engine during starting compared to theoretical air required for complete combustion is More Less Same May be more or less depending on engine capacity More Less Same May be more or less depending on engine capacity ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure and temperature at the end of compression stroke in a petrol engine are of the order of 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 4-6 kg/cm² and 200-250°C 12-20 kg/cm² and 350-450°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression ratio of I.C. Engines is Ratio of pressure after compression and before compression The ratio of volumes of air in cylinder before compression stroke and after compression stroke Volume displaced by piston per stroke and clearance volume in cylinder Swept volume/cylinder volume Ratio of pressure after compression and before compression The ratio of volumes of air in cylinder before compression stroke and after compression stroke Volume displaced by piston per stroke and clearance volume in cylinder Swept volume/cylinder volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The compression ignition engines are governed by Hit and miss governing Qualitative governing Quantitative governing Combination of (B) and (C) Hit and miss governing Qualitative governing Quantitative governing Combination of (B) and (C) ANSWER DOWNLOAD EXAMIANS APP