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Consider a 210MW steam power plant that operates on a simple Rankine cycle. Steam enters the turbine at 10MPa and 500oC and is cooled in the condenser at a pressure of 10kPa. The adiabatic efficiency of the turbine and pump is 85%. Show the cycle on a T-s diagram with respect to the saturation lines and determine (a) the quality of the steam at the turbine exit, (b) the thermal efficiency of the cycle, and (c) the mass flow rate of the steam.
the load on a 2 inch diameter hydraulic cylinder increases from 10000lb to 15000lb. due to compressibility of oil the
a pendulum consisting of a bob of mass m is suspended from a massless inextensible string of length l in a viscous
a mountain climber carries a barometer which reads 30.1 in hg at the base of the mountain. after her climb the
(a) derive an expression for the net work transfer for the cycle. Prove that for a Stirling Cycle, the net work transfer is always from the system to the surroundings.
determine the phase or phases in a system consisting of h2o at the following conditions and sketch both the p-v and t-v
A pitching wedge a golfer is using gives the ball a initial angle of 50 degrees, what range of velocities (Vo) will cause the ball to land within 3 ft of the hole?
Determine the angle theta degrees that requires the minimum torque T to keep the seam closed. (Hint: use Mohr's circle). Give the answer in degrees.
the traveling crane consists of a 5-m-long beam having a uniform mass per unit length of 20kg/m. The chain hoist and its supported load exert a force of 8 kN on the beam when x=2m. draw the shear and moment diagrams for the beam.
in an archery test the acceleration of the arrow decreases linearly with distance s from its initial value of 16000
a solid square cross-sectional bar bxb with a yield stress of 250 mpa is subjected to a compressive axial force p 140
but they vary in number of outputs, interfacing, cascadability, current limiting, and drive capability. As always, examine the data sheets carefully before substituting these parts! What is a Capacitor?
derive the equation for maximum deformation of a beam in 3 point bending following steps will be helpfula fully draw
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