Engineering Thermodynamics An isolated system is one in which Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called Polytropic process Adiabatic process Isothermal process Hyperbolic process Polytropic process Adiabatic process Isothermal process Hyperbolic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A diathermic wall is one which Permits thermal interaction Prevents thermal interaction Discourages thermal interaction Encourages thermal interaction Permits thermal interaction Prevents thermal interaction Discourages thermal interaction Encourages thermal interaction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is 1.086 1.086 0.086 4.086 1.086 1.086 0.086 4.086 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For the same compression ratio, the efficiency of dual combustion cycle is Greater than Diesel cycle Greater than Diesel cycle and less than Otto cycle Less than Diesel cycle Less than Diesel cycle and greater than Otto cycle Greater than Diesel cycle Greater than Diesel cycle and less than Otto cycle Less than Diesel cycle Less than Diesel cycle and greater than Otto cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Clausius statement of second law of thermodynamics Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can ANSWER DOWNLOAD EXAMIANS APP