Engineering Thermodynamics If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called Adiabatic expansion Parabolic expansion Hyperbolic expansion Free expansion Adiabatic expansion Parabolic expansion Hyperbolic expansion Free expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If value of n is infinitely large in a polytropic process pVn = C, then the process is known as constant Temperature Volume Pressure Enthalpy Temperature Volume Pressure Enthalpy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 10 to 20 15 to 30 5 to 8 3 to 6 10 to 20 15 to 30 5 to 8 3 to 6 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is Less than one Greater than one None of these Equal to one Less than one Greater than one None of these Equal to one ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process There is no change in enthalpy There is no change in internal energy All of the listed here There is no change in temperature There is no change in enthalpy There is no change in internal energy All of the listed here There is no change in temperature 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) T/P = constant, if v is kept constant V/T = constant, if p is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant T/P = constant, if v is kept constant V/T = constant, if p is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS