Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 300° to 500°C 500° to 700°C 900° to 1100°C 700° to 900°C 300° to 500°C 500° to 700°C 900° to 1100°C 700° to 900°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume Its temperature will increase Its pressure will increase Both temperature and pressure will increase Neither temperature nor pressure will increase Its temperature will increase Its pressure will increase Both temperature and pressure will increase Neither temperature nor pressure will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The throttling process is __________ process. Reversible None of these Reversible or irreversible Irreversible Reversible None of these Reversible or irreversible Irreversible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following processes are thermodynamically reversible? Constant volume and constant pressure Throttling Isothermal and adiabatic Free expansion Constant volume and constant pressure Throttling Isothermal and adiabatic Free expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as Temperature None of these Absolute temperature, if volume is kept constant Volume, if temperature is kept constant Temperature None of these Absolute temperature, if volume is kept constant Volume, if temperature is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of following four processes Two isothermal and two isentropic Two isentropic, one constant volume and one constant pressure Two isentropic and two constant volumes Two isentropic and two constant pressures Two isothermal and two isentropic Two isentropic, one constant volume and one constant pressure Two isentropic and two constant volumes Two isentropic and two constant pressures ANSWER DOWNLOAD EXAMIANS APP