Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will Increase None of these Decrease Remain same Increase None of these Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The term scavenging is generally associated with 4-stroke cycle engines High efficiency engines 2-stroke cycle engines Aeroplane engines 4-stroke cycle engines High efficiency engines 2-stroke cycle engines Aeroplane engines ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The brake power is the power available At the crank shaft In the engine cylinder None of these At the crank pin At the crank shaft In the engine cylinder None of these At the crank pin 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 None of these 1 - rγ - 1 1 - (1/rγ - 1) 1 + rγ - 1 None of these 1 - rγ - 1 1 - (1/rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Air fuel ratio for idling speed of a petrol engine is approximately 0.62569444444444 0.042361111111111 0.20902777777778 0.41736111111111 0.62569444444444 0.042361111111111 0.20902777777778 0.41736111111111 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is 252 cm3 264 cm3 286 cm3 248 cm3 252 cm3 264 cm3 286 cm3 248 cm3 ANSWER DOWNLOAD EXAMIANS APP
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