Engineering Thermodynamics The natural petroleum may be separated into Fuel oil Lubricating oil Kerosene Petrol Fuel oil Lubricating oil Kerosene Petrol ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is Not possible May be possible with lot of sophistications Theoretically possible Cost will be very high Not possible May be possible with lot of sophistications Theoretically possible Cost will be very high ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as Reversible cycle None of these Thermodynamic cycle Irreversible cycle Reversible cycle None of these Thermodynamic cycle Irreversible cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to First law of thermodynamics, Total energy of a system remains constant Total internal energy of a system during a process remains constant Work-done by a system is equal to the heat transferred by the system Internal energy, enthalpy and entropy during a process remain constant Total energy of a system remains constant Total internal energy of a system during a process remains constant Work-done by a system is equal to the heat transferred by the system Internal energy, enthalpy and entropy during a process remain constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will Increase Remain unchanged Increase/decrease depending on application Decrease Increase Remain unchanged Increase/decrease depending on application Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant) mcp (T2 + T1) mcp (T2 - T1) mR (T2 - T1) mcv (T2 - T1) mcp (T2 + T1) mcp (T2 - T1) mR (T2 - T1) mcv (T2 - T1) ANSWER DOWNLOAD EXAMIANS APP