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An insulated rigid tank contains a saturated liquid-vapor mix of water initially at a pressure of 100 kPa. The mass of the mixture is 5 kg, but only 75.6 % of the total mass is liquid. An electric resistance heater is turned on within the tank until all the water has vaporized. The heater power is a constant 3 kW.
What is the volume in the container?
How long was the heater on?
An impeller rotating at 1150 rpm has the following dimensions: b1=3 cm, b2 =1.9 cm, d1=.18 m, d2=.38 m, B1=18 deg, B2=20deg. Assuming radial inlet flow; draw the velocity triangles, find the flow rate and determine the theoretical head and shut off h..
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