Engineering Thermodynamics A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is -80 kJ -40 kJ +60 kJ -140 kJ -80 kJ -40 kJ +60 kJ -140 kJ 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 Free expansion Parabolic expansion Hyperbolic expansion Adiabatic expansion Free expansion Parabolic expansion Hyperbolic expansion Adiabatic expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An open system is one in which Mass does not cross boundaries of the system, though energy may do so Both energy and mass cross the boundaries of the system Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Both energy and mass cross the boundaries of the system Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a gas turbine is given by (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Work-done by the turbine) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Heat supplied) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Work-done by the turbine) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Heat supplied) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Total heat of a substance is also known as Thermal capacity Entropy Internal energy Enthalpy Thermal capacity Entropy Internal energy Enthalpy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is 327°C 54°C 108°C 654°C 327°C 54°C 108°C 654°C ANSWER DOWNLOAD EXAMIANS APP
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