Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by None of these ηm = B.P/I.P ηm = I.P/B.P ηm = (B.P × I.P)/100 None of these ηm = B.P/I.P ηm = I.P/B.P ηm = (B.P × I.P)/100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called Mechanical efficiency Overall efficiency Volumetric efficiency Relative efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Relative efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The expansion of fuel in a four stroke cycle diesel engine Starts at top dead center and ends at 30° after top dead center Starts at 15° before top dead center and ends at 30° after top dead center May start and end anywhere Starts at 15° after top dead center and ends at 30° before bottom dead center Starts at top dead center and ends at 30° after top dead center Starts at 15° before top dead center and ends at 30° after top dead center May start and end anywhere Starts at 15° after top dead center and ends at 30° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Air fuel ratio for idling speed of a petrol engine is approximately 0.62569444444444 0.042361111111111 0.41736111111111 0.20902777777778 0.62569444444444 0.042361111111111 0.41736111111111 0.20902777777778 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the speed of the engine is increased, the indicated power will Decrease Remain same Increase None of these Decrease Remain same Increase None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a coil ignition system of petrol engines, a condenser is connected across the contact breaker in order to None of these Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Prevent sparking across the gap between the points Both (A) and (B) None of these Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Prevent sparking across the gap between the points Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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