Chemical Engineering Thermodynamics Internal energy change of a system over one complete cycle in a cyclic process is Zero Dependent on the path -ve +ve Zero Dependent on the path -ve +ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in Decreased COP Same COP Increased COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP Same COP Increased COP Increased or decreased COP ; depending upon the type of refrigerant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is affected by the temperature? Free energy All of these Activity co-efficient Fugacity Free energy All of these Activity co-efficient Fugacity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the internal energy of a substance Increases Remains unchanged Decreases May increase or decrease; depends on the substance Increases Remains unchanged Decreases May increase or decrease; depends on the substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process. None of these Isothermal Isobaric Adiabatic None of these Isothermal Isobaric Adiabatic 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 Partially condensed vapour with quality of 0.9 Superheated vapour Saturated vapour Partially condensed vapour with quality of 0.1 Partially condensed vapour with quality of 0.9 Superheated vapour Saturated vapour ANSWER DOWNLOAD EXAMIANS APP
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