Chemical Engineering Thermodynamics Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to __________ °C. 327 540 270 300 327 540 270 300 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively) Arithmetic Logarithmic Geometric Harmonic Arithmetic Logarithmic Geometric Harmonic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Any substance above its critical temperature exists as Saturated vapour Liquid Solid Gas Saturated vapour Liquid Solid Gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an ideal refrigeration cycle, the change in internal energy of the fluid is Either of the above three ; depends on the nature of refrigerant -ve +ve Either of the above three ; depends on the nature of refrigerant -ve +ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of formation of an element in its standard state is A function of pressure > 0 < 0 A function of pressure > 0 < 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in A closed system with changes in composition An open system with changes in composition An open system of constant composition A closed system of constant composition A closed system with changes in composition An open system with changes in composition An open system of constant composition A closed system of constant composition ANSWER DOWNLOAD EXAMIANS APP