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A Rankine steam power plant should operate with a high pressure of 3 MPa and a low pressure of 10 kPa, and the boiler exit temperature should be 500?C. The available high-temperature source is the exhaust of 175 kg/s air at 600?C from a gas turbine. If the boiler operates as a counter flowing heat exchanger in which the temperature difference at the pinch point is 20?C, find the maximum water mass flow rate possible and the air exit temperature.
Plot the moment envelope curves(positive and negative). (NOTE: You only need to consider maximum positive and negative bending moments even though for a true envelope curve you would have to consider all points between the supports.)
what is effect of packing factor in self compacting concrete?
Determine the horizontal and vertical components of reaction at the supports. Neglect the thickness of the beam
Titan, a moon of Saturn, is believed by astronomers to have an atmosphere that is about 95% nitrogen. At Titan's surface the acceleration due to gravity is 1.35 m/s2, the atmospheric pressure is 210 kPa, and the temperature is 94 K.
what size galvanized iron pipe (e=0.0005ft) is required to carry a flow of 5 cfs of water at 60 degrees F (v=1.217X10^-5) without exceeding a head loss of 5.0 ft/100ft of pipe
The L bracket shown below is pinned to the ground at point C and attached to a single cable at points A and D that wraps around a frictionless pulley at point B. Determine the forces acting on the bracket at point C and then tension in the cable.
A lake with constant volume 10X10^6 m^3 is fed by a pollution-free stream with flow rate 50 m^3/s. A factory dumps 5m^3/s of a neoconservative waste with concentration 100 mg/L into the lake.
what is the force P to move the cabinet if a) caster A and B are locked b) B is locked A is free to move c) A is locked B is free to move p is applied from the left side pushing right. the width of the cabinet from caster a to b is 24 inches.
A concrete mix witha 3-inch slump, w/c rtion of .5, ans sand with a fineness modulus of 2.4 contains 1700 lb/yd^3 of coarse aggregate. compute the required weight of coarse aggregate per cubic yard.
A W14x68 section of A992, Grade 50 steel, is used as a steel column with a total unbraced height of 12 ft. The column ends are both fixed. Determine the maximum axial LRFD safe load for this column
A 15 kg mass attached to a cord that is wrapped around a pulley and released from rest. the pulley has mass of 5 kg but is frictionless. consider the cord as mass less, inelastic and frictionless.
The frame ACD is supported by ball-and-socket joints at A and D. The blue cable passes smoothly through the ring at B. If you assume the frame is weightless and P = 75 lbs. what is the tension in the cable?
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