Chemical Engineering Thermodynamics Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass? DE = Tds - PdV DQ = CvdT + PdV Tds = dE - PdV DQ = CpdT + Vdp DE = Tds - PdV DQ = CvdT + PdV Tds = dE - PdV DQ = CpdT + Vdp ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor of a gas is Not a function of its nature Unity, if it follows PV = nRT Not a function of its pressure Not a function of its temperature Not a function of its nature Unity, if it follows PV = nRT Not a function of its pressure Not a function of its temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches Infinity An indeterminate value Unity Zero Infinity An indeterminate value Unity Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy of the system decreases, when Water is converted into ice Both B & C Snow melts into water A gas expands spontaneously from high pressure to low pressure Water is converted into ice Both B & C Snow melts into water A gas expands spontaneously from high pressure to low pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The value of gas constant 'R' is 1.987 cal/gm mole °K Neither A nor B 1.987 BTU/lb. mole °R Both A and B 1.987 cal/gm mole °K Neither A nor B 1.987 BTU/lb. mole °R Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Co-efficient of Performance (COP) of a refrigerator is the ratio of the Higher to lower temperature Lower to higher temperature Refrigeration obtained to the work required Work required to refrigeration obtained Higher to lower temperature Lower to higher temperature Refrigeration obtained to the work required Work required to refrigeration obtained ANSWER DOWNLOAD EXAMIANS APP
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