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Steam enters a turbine with a pressure and temperature of 12.5 MPa and 700 oC and leaves at 50 kPa as a saturated vapor. the flow area at the turbine inlet is 50 cm^2 and at the exit it is 350 cm^2. the steam flows steadily through the turbine at a mass flow rate of 25 kg/s.
- calculate the velocities (m/s) of the steam at the inlet and outlet
- determine the power (kW) that can be produced by the steam assume negligible heat transfer.
A plane can fly 299 mph in still air. If it can fly 180 miles downwind in the same amount of time it can fly 119 miles upwind, find the velocity of the wind.
a silicon wafer with thickness of 925 microm is being heated with a uniform heat flux at the lower surface. the silicon
Briefly describe the meaning of the term mechatronics both in terms of the 'systems approach' and the technology involved.
steel reinforcement rods had been pulled to a thickness below regulatory standards. what is the effect of this
the pressure in a partially evacuated enclosure is 26.8 in hg vacuum when the local barometer reads 29.5 in hg.
a machinist is making engine parts with axle diameter of 0.7 inch. a random sample of 15 parts shows mean diameter
water flows in a horizontal pipe with entrance velocity 2.5ms is turning 90 degrees and leaves the pipe. pipe diameter
type your question herea 5000 lb truck is being used to lift a 1000 lb boulder b that is on a 200lb pallet a. knowing
determine the time needed for the velocity to become v=vf. initially the particles falls from rest.
a pulley 250 mm in diameter drives a second pulley 1000 mm in diameter by means of a belt. the moment of inertia of the
The 50-lb load is hoisted by the pulley system and motor M. If the crate starts from rest and by constant acceleration attains a speed of 15 ft/s after rising s = 6 ft, determine the power that must be supplied to the motor at this instant.
Calculate reactions of a simply supported continuous beam. A beam is simply supported at the ends and is continuous over two spans.
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