Chemical Engineering Thermodynamics The second law of thermodynamics states that It is not possible to transfer heat from a lower temperature to a higher temperature The energy change of a system undergoing any reversible process is zero None of these The total energy of system and surrounding remains the same It is not possible to transfer heat from a lower temperature to a higher temperature The energy change of a system undergoing any reversible process is zero None of these The total energy of system and surrounding remains the same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The principle applied in liquefaction of gases is Both A and B Neither A nor B Adiabatic expansion Joule-Thomson effect Both A and B Neither A nor B Adiabatic expansion Joule-Thomson effect ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor. None of these Open Isolated Closed None of these Open Isolated Closed ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is 4 J Zero ∞ 8 J 4 J Zero ∞ 8 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an isothermal reversible compression of an ideal gas Only ΔE = 0 ΔE = ΔH = 0 Only ΔH =0 DQ = dE Only ΔE = 0 ΔE = ΔH = 0 Only ΔH =0 DQ = dE 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 Partially condensed vapour with quality of 0.1 Superheated vapour Partially condensed vapour with quality of 0.9 Saturated vapour Partially condensed vapour with quality of 0.1 Superheated vapour Partially condensed vapour with quality of 0.9 Saturated vapour ANSWER DOWNLOAD EXAMIANS APP