Steam enters a turbine steadily at 7 mpa and 600°c with a velocity of 60 m/s and leaves at 25 kpa with a quality of 95 percent. a heat loss of 21 kj/kg occurs during the process. the inlet area of the turbine is 150 cm2, and the exit area is 1400 cm2. the specific volumes and enthalpies are v1 = 0.05567 m3/kg, h1 = 3650.6 kj/kg, v2 = 5.8933 m3/kg, and h2 = 2500.2 kj/kg. determine

(a) flowrate of the steam,

(b) exit velocity, and

(c) the power output.

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

Arigid tank contains 10 kg of air at 137 kpa (abs) and 21°c. more air is added to the tank until the pressure and temperature rise to 242 kpa (abs) and 32°c, respectively. determine the amount of air added to the tank. [r-0.287 kj/kg k]

Consider a 1.2 meter high and 2 meter wide glass window whose thickness is 6 mm and thermal conductivity is 0.78 w/m °c. the room temperature is maintained at 24 °c, while the outdoor temperature is -5 °c. the convective heat transfer coefficients on the inner and outer surfaces of the window are 10 w/m2 °c and 25 w/m2 °c respectively. (a) draw the thermal resistance network, etermine the steady rate of heat transfer t e glass window (c) determine the temperature of the inner surface of the window