Engineering Thermodynamics The polytropic index (n) is given by log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle. Less than Greater than Equal to None of these Less than Greater than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the expansion or compression takes place according to the law pvn = C, the process is known as Polytropic process Adiabatic process Hyperbolic process Isothermal process Polytropic process Adiabatic process Hyperbolic process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant) 1.5 Ru × T 2 Ru × T Ru × T 3 Ru × T 1.5 Ru × T 2 Ru × T Ru × T 3 Ru × T ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is 8314 kgfm/mol °K 427 kgfm/mol °K 848 kgfm/mol °K 29.27 kgfm/mol °K 8314 kgfm/mol °K 427 kgfm/mol °K 848 kgfm/mol °K 29.27 kgfm/mol °K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle is maximum for Steam engine Petrol engine Reversible engine Gas engine Steam engine Petrol engine Reversible engine Gas engine ANSWER DOWNLOAD EXAMIANS APP