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A rigid tank contains 7.5 kg of saturated water mixture at 400 kPa. A valve at the bottom of the tank is now opened, and liquid is withdrawn from the tank. Heat is transferred to the steam such that the pressure inside the tank remains constant. The valve is closed when no liquid is left in the tank. If it is estimated that a total of 5 kJ of heat is transferred to the tank, determine
a) the quality of steam in the tank at the initial state,
b) the amount of mass that has escaped, and
c) the entropy generation during this process if heat is supplied to the tank from a source at 500°C.Copy and paste your question here...
Determine the time required by a diesel-electric locomotive, which produces a constant drawbar pull of 60,000 lb, to increase the speed of an 1800 ton freight train from 20 mi/hr to 30 mi/hr up to 1-percent grade. Train resistance is 10 lb per ton.
Assuming the plant operates on the ideal vapor-compression cycle using refrigerant 134-a between the pressure limits of 120 and 700 kPa, determine - The mass flow rate of refrigerant
an adiabatic condenser a heat exchanger in a steam power plant accepts steam at 25 kpa and quality of 95 and at a mass
the radii of the exducer exit given that the radius ratio at that location is 0.4.
Select and size a suitable type of machine with regard to output FAD (free air delivered) and quality of air supply.
1. graphically verify moseleys law for the k beta1 lines of cu mo and w.2. acalculate the mass an linear absorption
long metallic rods of circular cross section are heat treated by passing an electric current through the rods to
electronic components are mounted on the inner surface of a horizontal cylindrical duct whose inner diameter is 0.2m.
A heat engine operates between reservoirs at 1000 and 300 K. Some of the power output from the heat engine drives a refrigerator which operates between 250 and 300 K. The heat-transfer input at 1000 K to the heat engine is 1000 kJ, and the heat trans..
Two wires of infinite length are placed at a distance D = 10cm on opposite sides of a point O, both wires carry the same current of 1.0 A, in which direction must this current flow in order for the magnetic field strength at O to be non-zero.
a sphere is fired downwards into a medium with an initial speed of 27 ms. if it experiences a deceleration of a -6t
the cable is made of steel. what diameter should tar cable b so that the material does not exceed 50 percent of its
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