Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) v1/v2 (v1 + v2)/v1 (v1 + v2)/v2 v2/v1 v1/v2 (v1 + v2)/v1 (v1 + v2)/v2 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy of gas molecules Increases May increase/decrease depending on the properties of gas Decreases Remain constant Increases May increase/decrease depending on the properties of gas Decreases Remain constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Characteristic gas constant of a gas is equal to Cv /Cp Cp /Cv Cp + Cv Cp - Cv Cv /Cp Cp /Cv Cp + Cv Cp - Cv ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant) mcv (T2 - T1) mR (T2 - T1) mcp (T2 + T1) mcp (T2 - T1) mcv (T2 - T1) mR (T2 - T1) mcp (T2 + T1) mcp (T2 - T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An open cycle gas turbine works on Carnot cycle Stirling cycle Otto cycle Joule's cycle Carnot cycle Stirling cycle Otto cycle Joule's cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following gas has a minimum molecular mass? Methane Hydrogen Oxygen Nitrogen Methane Hydrogen Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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