Engineering Thermodynamics An adiabatic process is one in which The change in internal energy is equal to the mechanical work done The temperature of the gas changes All of these No heat enters or leaves the gas The change in internal energy is equal to the mechanical work done The temperature of the gas changes All of these No heat enters or leaves the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a free expansion process Work done is zero but heat increases Work done is zero Both (A) and (B) above Heat transfer is zero Work done is zero but heat increases Work done is zero Both (A) and (B) above Heat transfer is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of gas constant (R) in S. I. units is 2.87 J/kgK 287 J/kgK 0.287 J/kgK 28.7 J/kgK 2.87 J/kgK 287 J/kgK 0.287 J/kgK 28.7 J/kgK ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics During which of the following process does heat rejection takes place in Carnot cycle? Isentropic compression Isentropic expansion Isothermal compression Isothermal expansion Isentropic compression Isentropic expansion Isothermal compression Isothermal expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as Kinetic theory of gases Second law of thermodynamics First law of thermodynamics Zeroth law of thermodynamics Kinetic theory of gases Second law of thermodynamics First law of thermodynamics Zeroth law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Joule cycle is Equal to Carnot cycle Less than Carnot cycle None of these Greater than Carnot cycle Equal to Carnot cycle Less than Carnot cycle None of these Greater than Carnot cycle ANSWER DOWNLOAD EXAMIANS APP