Engineering Thermodynamics A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is 30 kJ 54 kJ 114 kJ 84 kJ 30 kJ 54 kJ 114 kJ 84 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following processes are thermodynamically reversible? Isothermal and adiabatic Constant volume and constant pressure Free expansion Throttling Isothermal and adiabatic Constant volume and constant pressure Free expansion Throttling ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of following four processes Two isentropic and two constant pressures Two isothermal and two isentropic Two isentropic and two constant volumes Two isentropic, one constant volume and one constant pressure Two isentropic and two constant pressures Two isothermal and two isentropic Two isentropic and two constant volumes Two isentropic, one constant volume and one constant pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For which of the following substances, the gas laws can be used with minimum error Wet steam Saturated steam Superheated steam Dry steam Wet steam Saturated steam Superheated steam Dry steam ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume Neither temperature nor pressure will increase Its pressure will increase Its temperature will increase Both temperature and pressure will increase Neither temperature nor pressure will increase Its pressure will increase Its temperature will increase Both temperature and pressure will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The work ratio of a gas turbine plant is given by (Net work output)/(Work-done by the turbine) (Isentropic increase in temperature)/(Actual increase in temperature) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Heat supplied) (Net work output)/(Work-done by the turbine) (Isentropic increase in temperature)/(Actual increase in temperature) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Heat supplied) ANSWER DOWNLOAD EXAMIANS APP