Engineering Thermodynamics The calorific value of gaseous fuel is expressed in kJ kJ/m2 kJ/m3 kJ/kg kJ kJ/m2 kJ/m3 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called Free expansion Hyperbolic expansion Adiabatic expansion Parabolic expansion Free expansion Hyperbolic expansion Adiabatic expansion Parabolic expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant pressure, the heat supplied Increases the internal energy of the gas Does some external work during expansion Increases the temperature of the gas Both (B) and (C) Increases the internal energy of the gas Does some external work during expansion Increases the temperature of the gas Both (B) and (C) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The variables which control the physical properties of a perfect gas are Temperature of the gas Volume occupied by the gas All of these Pressure exerted by the gas Temperature of the gas Volume occupied by the gas All of these Pressure exerted by the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by 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) log (p2/ p1)/log (v1/ v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency and work ratio of a simple gas turbine cycle are High Very low Very high Low High Very low Very high Low ANSWER DOWNLOAD EXAMIANS APP