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118 An insulated, rigid tank whose volume is 0.5 m3 is connected by a valve to a large vessel holding steam at 40 bar, 500 degrees C. The tank is initially evacuated. The valve is opened only as long as required to fill the tank with steam to a pressure of 20 bar. Determine (a) the final temperature of the steam in the tank, in degrees C, (b) the final mass of the steam in the tank, in kg, and (c) the amount of entropy produced, in kJ/K.
a steam plant uses 3.045 tonne of coalh. the steam is fed to a turbine the output of which is 4.1 mw. the calorific
Question about Turbomachinery - Impulse & Reaction Turbines, An impulse air turbine rotor with a blade speed (U) of 300 m/s is measured to have a relative rotor inlet velocity (W_1) of 750 m/s at an angle of 69 degrees and an outlet relative veloc..
water contained in a closed, rigid tank, initially saturated vapor at 200C, is cooled to 100C. determine the initial and final pressure, each in bar. locate the initial and final states on a sketches of the p-v and T-v digrams.
a roast is in an oven and weighs 2.25 kg. it is initially at 6 degrees celsius and needs to be heated to 80 degrees
a small sphere of reference-grade iron with a specific heat of 447 jkgk and a mass of 0.515 kg is suddenly immersed in
how to calculate the adiabatic flame temperatures from the injection pressures during choked conditions.
problem i. steam at 5.0 mpa 500 degrees c enters an insulated turbine operating at steady state with a mass flow rate
a closed rigid tank contains 5 lbm of a two phase mixture of water initially at 260degf with a quality of 0.6. heat
an infinitely long sheet of charge of width l lies in the xy-plane between x - l2 and x l2. the surface charge
question 1consider the figure below which shows the energy-band splitting of silicon. if the equilibrium lattice
find: a) the pitch diameter of the pinion. b) the pitch diameter of the gear. c) the output torque of the gear. d) the minimum length of the key used to attach the gear?
what type of feedback data should we be collecting; in order to make sure that our MPS data, our MRP data, our Aggregate Planning, etc. are all correct?
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