Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 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) 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The isothermal and adiabatic processes are regarded as Reversible or irreversible process None of the listed here Reversible process Irreversible process Reversible or irreversible process None of the listed here Reversible process Irreversible process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kilowatt is equal to 1 × 106 N-m/s 1 N-m/s 1000 N-m/s 100 N-m 1 × 106 N-m/s 1 N-m/s 1000 N-m/s 100 N-m ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro’s law Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules The sum of partial pressure of the mixture of two gases is sum of the two The product of the gas constant and the molecular mass of an ideal gas is constant All of these Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules The sum of partial pressure of the mixture of two gases is sum of the two The product of the gas constant and the molecular mass of an ideal gas is constant All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for Diesel engines is 3 to 6 5 to 8 15 to 20 20 to 30 3 to 6 5 to 8 15 to 20 20 to 30 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle increases with Decrease in cut-off Constant cut-off None of these Increase in cut-off Decrease in cut-off Constant cut-off None of these Increase in cut-off ANSWER DOWNLOAD EXAMIANS APP
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