Engineering Thermodynamics A closed system is one in which Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kinetic theory of gases assumes that the collisions between the molecules are Partly inelastic Perfectly elastic Partly elastic Perfectly inelastic Partly inelastic Perfectly elastic Partly elastic Perfectly inelastic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The throttling process is __________ process. Reversible Reversible or irreversible None of these Irreversible Reversible Reversible or irreversible None of these Irreversible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process The working parts of the engine must be friction free All the processes, taking place in the cycle of operation, must be extremely slow All of these The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process The working parts of the engine must be friction free All the processes, taking place in the cycle of operation, must be extremely slow All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order Otto cycle, Diesel cycle, Dual cycle Dual cycle, Otto cycle, Diesel cycle Dual cycle, Diesel cycle, Otto cycle Diesel cycle, Otto cycle, Dual cycle Otto cycle, Diesel cycle, Dual cycle Dual cycle, Otto cycle, Diesel cycle Dual cycle, Diesel cycle, Otto cycle Diesel cycle, Otto cycle, Dual cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle increases with Decrease in cut-off None of these Increase in cut-off Constant cut-off Decrease in cut-off None of these Increase in cut-off Constant cut-off ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS