Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + rγ - 1 1 + (1/ rγ - 1) 1 - rγ - 1 1 - (1/ rγ - 1) 1 + rγ - 1 1 + (1/ rγ - 1) 1 - rγ - 1 1 - (1/ rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is 26.03 bar 25 bar 23.97 bar 34.81 bar 26.03 bar 25 bar 23.97 bar 34.81 bar ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant pressure Neither temperature not volume will increase Both temperature and volume will increase Its temperature will increase Its volume will increase Neither temperature not volume will increase Both temperature and volume will increase Its temperature will increase Its volume will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Those substances which have so far not been resolved by any means into other substances of simpler form are called Atoms Compounds Molecules Elements Atoms Compounds Molecules Elements ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The isothermal and adiabatic processes are regarded as Reversible or irreversible process Irreversible process Reversible process None of the listed here Reversible or irreversible process Irreversible process Reversible process None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The increase in entropy of a system represents Decrease in pressure Increase in availability of energy Increase in temperature Degradation of energy Decrease in pressure Increase in availability of energy Increase in temperature Degradation of energy ANSWER DOWNLOAD EXAMIANS APP