Engineering Thermodynamics All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called Joule's law Gay-Lussac law Charles' law Boyle's law Joule's law Gay-Lussac law Charles' law Boyle's law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to Zero +ve -ve Anywhere between zero and infinity Zero +ve -ve Anywhere between zero and infinity ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant pressure Neither temperature not volume will increase Its volume will increase Both temperature and volume will increase Its temperature will increase Neither temperature not volume will increase Its volume will increase Both temperature and volume will increase Its temperature will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The standard value of atmospheric pressure taken at sea level is All of these 1013 × 102 N/m2 760 mm of Hg 1.013 bar All of these 1013 × 102 N/m2 760 mm of Hg 1.013 bar ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats) [m R (T1 - T2)] /(γ - 1) (p1 v1 - p2, v2)/(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] [m R (T1 - T2)] /(γ - 1) (p1 v1 - p2, v2)/(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Joule cycle is None of these Equal to Carnot cycle Greater than Carnot cycle Less than Carnot cycle None of these Equal to Carnot cycle Greater than Carnot cycle Less than Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
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