Engineering Thermodynamics The condition of perfect vacuum, i.e., absolute zero pressure can be attained at A temperature of 273 °K A temperature of 0°C A negative pressure and 0°C temperature A temperature of - 273.16°C A temperature of 273 °K A temperature of 0°C A negative pressure and 0°C temperature A temperature of - 273.16°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The atomic mass of sulphur is 32 14 16 12 32 14 16 12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Characteristic gas constant of a gas is equal to Cp /Cv Cv /Cp Cp + Cv Cp - Cv Cp /Cv Cv /Cp Cp + Cv Cp - Cv ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature. None of these Increases Remains constant Decreases None of these Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
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 ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will Remain unchanged Increase Increase/decrease depending on application Decrease Remain unchanged Increase Increase/decrease depending on application Decrease ANSWER DOWNLOAD EXAMIANS APP