Engineering Thermodynamics When the gas is heated at constant volume, the heat supplied Does some external work during expansion Both (A) and (B) None of these Increases the internal energy of the gas and increases the temperature of the gas Does some external work during expansion Both (A) and (B) None of these Increases the internal energy of the gas and increases the temperature of the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of 1 mm of Hg is equal to 133.3 N/m2 1333 N/m2 1.333 N/m2 13.33 N/m2 133.3 N/m2 1333 N/m2 1.333 N/m2 13.33 N/m2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to 1400 K 1000 K 800 K 1200 K 1400 K 1000 K 800 K 1200 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The gas turbine cycle with regenerator improves None of these Work ratio Avoid pollution Thermal efficiency None of these Work ratio Avoid pollution Thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a reversible adiabatic process, the ratio of T1/T2 is equal to (p2/p1)γ - 1/ γ (v2/v1)γ - 1/ γ (p1/p2)γ - 1/ γ (v1/v2)γ - 1/ γ (p2/p1)γ - 1/ γ (v2/v1)γ - 1/ γ (p1/p2)γ - 1/ γ (v1/v2)γ - 1/ γ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is -140 kJ -80 kJ +60 kJ -40 kJ -140 kJ -80 kJ +60 kJ -40 kJ ANSWER DOWNLOAD EXAMIANS APP