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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.
an infinitely long sheet of charge of width l lies in the xy-plane between x - l2 and x l2. the surface charge
consider the constant -property steady laminar flow illustrated in fig 2p-4 a fluid flow through a very long tube in
air at atmospheric pressure and with a mean velocity of 0.5 ms flows inside a thin walled square cross-section duct of
Write the electron configuration of the following ions by using spdf notation.
a what is the approximate ductility el of a brass alloy that has a yield strength of 275 mpa? what is the tensile
design a container using differentiation that has a volume of 2500 litres. it must use the minimum amount of material.
a bullet of mass 0.06 kg is fired horizontally into a wooden block of mass 0.10 kg. the wooden block is suspended from
a horizontal wire of length 0.57 m carrying a current of 6.9 a is placed in a uniform external magnetic field. when the
an hydraulic turbine operates under an available head of 85 m at a flow rate of 0.25 m3s. the electrical power output
problem a compound cylinder is composed of a tube of 250mm internal diameter at 25mm wall thickness. it is shrunk on to
A collar B of weght W can move freely along thevertical rod. The constant of the spring is k and the spring is unstretched when theta=0. Derive an equation in W thrta k and l that must be satisfied when h collar is in equilibrium.
a 14 l of rigid container is filled with 10 kg of r-134a at 300 kpa. determine the temperature oc and total enthalpy kj
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