Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = (B.P × I.P)/100 None of the listed here ηm = B.P/I.P ηm = I.P/B.P ηm = (B.P × I.P)/100 None of the listed here ηm = B.P/I.P ηm = I.P/B.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the inlet valve Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% diesel and 25% petrol 75% normal heptane and 25% iso-octane 75% petrol and 25% diesel 75% iso-octane and 25% normal heptane 75% diesel and 25% petrol 75% normal heptane and 25% iso-octane 75% petrol and 25% diesel 75% iso-octane and 25% normal heptane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pick up the wrong statement about supercharging Supercharging at high altitudes is essential There can be limited supercharging in petrol engines because of detonation Supercharging reduces knocking in diesel engines Supercharging results in fuel economy Supercharging at high altitudes is essential There can be limited supercharging in petrol engines because of detonation Supercharging reduces knocking in diesel engines Supercharging results in fuel economy ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Alpha-methyl-naphthalene (C₁₁ H₁₀) has a cetane number of 0 50 120 100 0 50 120 100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is Same More More or less depending on power rating Less Same More More or less depending on power rating Less ANSWER DOWNLOAD EXAMIANS APP