Internal Combustion Engines The knocking in diesel engines may be prevented by Raising the compression ratio Increasing the inlet pressure of air Reducing the delay period All of these Raising the compression ratio Increasing the inlet pressure of air Reducing the delay period All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermodynamic cycle on which the petrol engine works, is Otto cycle Stirling cycle Rankine cycle Joule cycle Otto cycle Stirling cycle Rankine cycle Joule cycle ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The volumetric efficiency of a well designed engine may be 75 to 90% 60 to 70% 40 to 60% 30 to 40% 75 to 90% 60 to 70% 40 to 60% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged? Yes No To some extent Unpredictable Yes No To some extent Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The frictional power (F.P.) is given by P. - I.P. F.P. = I.P./ F.P. = P./I.P. F.P. = P. P. F.P. = I.P. - P. - I.P. F.P. = I.P./ F.P. = P./I.P. F.P. = P. P. F.P. = I.P. - ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by None of the listed here ηm = I.P/B.P ηm = B.P/I.P ηm = (B.P × I.P)/100 None of the listed here ηm = I.P/B.P ηm = B.P/I.P ηm = (B.P × I.P)/100 ANSWER DOWNLOAD EXAMIANS APP