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 - (1/rγ - 1) 1 - rγ - 1 1 + rγ - 1 None of these 1 - (1/rγ - 1) 1 - rγ - 1 1 + rγ - 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A two stroke cycle engine gives ________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed. Same Four times Double Half Same Four times Double Half ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The effective inhibitor of pre-ignition is Alcohol None of these Water Lead Alcohol None of these Water Lead ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reference fuels for knock rating of spark ignition engines would include Iso-octane and alpha-methyl naphthalene Iso-octane and normal hexane Normal octane and aniline Normal heptane and iso-octane Iso-octane and alpha-methyl naphthalene Iso-octane and normal hexane Normal octane and aniline Normal heptane and iso-octane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A 5 BHP engine running at full load would consume diesel of the order of 5 kg/hr 1 kg/hr 3 kg/hr 0.3 kg/hr 5 kg/hr 1 kg/hr 3 kg/hr 0.3 kg/hr 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 Low temperature Long ignition delay Low density All of these Low temperature Long ignition delay ANSWER DOWNLOAD EXAMIANS APP