Engineering Thermodynamics Brayton cycle consists' of following four processes 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 Two isothermal and two isentropic Two isentropic, one constant volume and one constant pressure Two isentropic and two constant volumes 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 Parabolic expansion Free expansion Hyperbolic expansion Adiabatic expansion Parabolic expansion Free expansion Hyperbolic expansion Adiabatic expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as Thermodynamic cycle None of the listed here Thermodynamic law Thermodynamic process Thermodynamic cycle None of the listed here Thermodynamic law Thermodynamic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All the processes, taking place in the cycle of operation, must be extremely slow All of these The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All the processes, taking place in the cycle of operation, must be extremely slow All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] [m R (T1 - T2)] /(γ - 1) (p1 v1 - p2, v2)/(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] [m R (T1 - T2)] /(γ - 1) (p1 v1 - p2, v2)/(γ - 1) All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle Depends on other factors More Equal Less Depends on other factors More Equal Less ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS