Chemical Engineering Thermodynamics The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same. None of these Work Kinematic viscosity Temperature None of these Work Kinematic viscosity Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of Vaporisation Sublimation Transition Fusion Vaporisation Sublimation Transition Fusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a constant volume process __________ by the system is used only to increase the internal energy. Both A & B Neither A nor B Work done Heat absorbed Both A & B Neither A nor B Work done Heat absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Work done in case of free expansion is Negative None of these Zero Indeterminate Negative None of these Zero Indeterminate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which None of these Mutual solubility of the two liquids shows a decreasing trend A homogeneous solution (say of phenol water) is formed Two liquids are completely separated into two layers None of these Mutual solubility of the two liquids shows a decreasing trend A homogeneous solution (say of phenol water) is formed Two liquids are completely separated into two layers ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is Infinity Zero Negative Positive Infinity Zero Negative Positive ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS