Internal Combustion Engines Which one of the following engines will have heavier flywheel than the remaining ones? 30 kW two-stroke diesel engine running at 750 r.p.m. 30 kW four-stroke diesel engine running at 750 r.p.m. 30 kW four-stroke petrol engine running at 1500 r.p.m. 30 kW two-stroke petrol engine running at 1500 r.p.m. 30 kW two-stroke diesel engine running at 750 r.p.m. 30 kW four-stroke diesel engine running at 750 r.p.m. 30 kW four-stroke petrol engine running at 1500 r.p.m. 30 kW two-stroke petrol engine running at 1500 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The octane number of petrol, generally available, is 80 to 100 40 to 60 20 to 40 60 to 80 80 to 100 40 to 60 20 to 40 60 to 80 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have Low density All of these Long ignition delay Low temperature Low density All of these Long ignition delay Low temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The power actually developed by the engine cylinder of an I.C. engine is known as Indicated power Theoretical power None of the listed here Actual power Indicated power Theoretical power None of the listed here Actual power ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The probability of knocking in diesel engines is increased by All of these Higher viscosity High self ignition temperature Low volatility All of these Higher viscosity High self ignition temperature Low volatility ANSWER DOWNLOAD EXAMIANS APP