Engineering Thermodynamics Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant Volume Internal energy Pressure Temperature Volume Internal energy Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When gas is heated at constant pressure, the heat supplied is utilized in Doing some external work Increasing the internal energy of gas and also for doing some external work None of these Increasing the internal energy of gas Doing some external work Increasing the internal energy of gas and also for doing some external work None of these Increasing the internal energy of gas 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 T/P = constant, if v is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant P v = constant, if T is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant) pv = RTm pv = mRT pvm = C pv = (RT)m pv = RTm pv = mRT pvm = C pv = (RT)m ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An isolated system is one in which Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a Carnot engine depends on Size of engine Temperatures of source and sink Working substance Design of engine Size of engine Temperatures of source and sink Working substance Design of engine ANSWER DOWNLOAD EXAMIANS APP
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