Engineering Thermodynamics Second law of thermodynamics defines Work Internal energy Heat Entropy Work Internal energy Heat Entropy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) P v = constant, if T is kept constant V/T = constant, if p is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant V/T = constant, if p is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The specific heat at constant volume is The amount of heat required to raise the temperature of 1 kg of water through one degree The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume Any one of the above The amount of heat required to raise the temperature of 1 kg of water through one degree The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle Less Depends on other factors Equal More Less Depends on other factors Equal More ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Isochoric process is one in which Very little mechanical work is done by the system All parameters remain constant No mechanical work is done by the system Free expansion takes place Very little mechanical work is done by the system All parameters remain constant No mechanical work is done by the system Free expansion takes place ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] ANSWER DOWNLOAD EXAMIANS APP