Engineering Thermodynamics In a free expansion process Heat transfer is zero Both (A) and (B) above Work done is zero but heat increases Work done is zero Heat transfer is zero Both (A) and (B) above Work done is zero but heat increases Work done is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Temperature of a gas is produced due to Surface tension of molecules Kinetic energy of molecules Its heating value Repulsion of molecules Surface tension of molecules Kinetic energy of molecules Its heating value Repulsion of molecules ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas. Both (A) and (B) Change None of these Do not change Both (A) and (B) Change None of these Do not change ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Diesel cycle consists of following four processes Two isentropic, one constant volume and one constant pressure Two isothermal and two isentropic Two isentropic and two constant pressures Two isentropic and two constant volumes Two isentropic, one constant volume and one constant pressure Two isothermal and two isentropic Two isentropic and two constant pressures Two isentropic and two constant volumes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Petrol is distilled at 345° to 470°C 470° to 550°C 65° to 220°C 220° to 345°C 345° to 470°C 470° to 550°C 65° to 220°C 220° to 345°C ANSWER DOWNLOAD EXAMIANS APP