Chemical Engineering Thermodynamics In a working refrigerator, the value of COP is always > 1 < 1 < 0 > 1 < 1 < 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when N = y = 1.4 N = 1.66 N = 0 N = 1 N = y = 1.4 N = 1.66 N = 0 N = 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following processes can not be made reversible even under ideal condition of operation? Free expansion of a gas All of these Expansion of steam in a turbine Compression of air in a compressor Free expansion of a gas All of these Expansion of steam in a turbine Compression of air in a compressor ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigerator works on the principle of __________ law of thermodynamics. Third First Second Zeroth Third First Second Zeroth 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) Logarithmic Geometric Harmonic Arithmetic Logarithmic Geometric Harmonic Arithmetic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole. 25 0 273 None of these 25 0 273 None of these ANSWER DOWNLOAD EXAMIANS APP
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