In an ideal rankine cycle, superheated vapor enters the turbine at 200 bar and 600℃, and the condenser pressure is 0.1 bar. the mass flow rate of the steam entering the turbine is 110 kg/s. determine (a) the thermal efficiency, (b) the mass flow rate of condenser cooling water, in kg/s, if the cooling water undergoes a temperature increase of 18k with negligible pressure change in passing through the condenser and boiler.

The higher the astm grain size number, the finer the gran is. a)-true b)-false

Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k

Asimple rankine cycle uses water as the working fluid. the water enters the turbine at 10 mpa and 480c while the condenser operates at 6 kpa. if the turbine has an isentropic efficiency of 80 percent while the pump has an isentropic efficiency of 70 percent determine the thermal efficiency