Chemical Engineering Thermodynamics Refrigerants commonly used for domestic refrigerators are NH₃ or CO₂ Propane Ethyl chloride or methyle chloride Freon-12 NH₃ or CO₂ Propane Ethyl chloride or methyle chloride Freon-12 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will Increase Decrease Increase in summer and will decrease in winter Remain same Increase Decrease Increase in summer and will decrease in winter Remain same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg . K, entropy of saturated vapour = 7.2234 kJ/kg. K) The exit condition of steam is Saturated vapour Superheated vapour Partially condensed vapour with quality of 0.1 Partially condensed vapour with quality of 0.9 Saturated vapour Superheated vapour Partially condensed vapour with quality of 0.1 Partially condensed vapour with quality of 0.9 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Activity co-efficient is a measure of the Vapour pressure of liquid Departure of gas phase from idea] gas law None of these Departure from ideal solution behaviour Vapour pressure of liquid Departure of gas phase from idea] gas law None of these Departure from ideal solution behaviour ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics One ton of refrigeration capacity is equivalent to the heat removal rate of 200 BTU/minute 200 BTU/hr 50 k cal/hr 200 BTU/day 200 BTU/minute 200 BTU/hr 50 k cal/hr 200 BTU/day ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs-Duhem equation None of these Applies only to binary systems Finds no application in gas-liquid equilibria involved in distillation States that n₁dμ₁ + n₂dμ₂ + ....njdμj = 0, for a system of definite composition at constant temperature and pressure None of these Applies only to binary systems Finds no application in gas-liquid equilibria involved in distillation States that n₁dμ₁ + n₂dμ₂ + ....njdμj = 0, for a system of definite composition at constant temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
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