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Steam enters the turbine of a power plant at 5 MPa, 400?C and exhausts to the condenser at 10 kPa. The turbine produces a power output of 20 000 kW with an isentropic efficiency of 85%. What is the mass flow rate of steam around the cycle and the rate of heat rejection in the condenser? Find the thermal efficiency of the power plant and how it compares with that of a Carnot cycle.
In trigonometric leveling from point B, the slope distance and zenith angle measured at A were 7929.464 m and 88o 42'50". At B these measurements were 7929.473 m and 91o14'16", respectively. If the instrument and rod target heights were equal, calcul..
If the maximum total acceleration of the train must not exceed 1.5 m/s^2, determine the shortest distance in which the train can reach a speed of 72 km/h, and determine the corresponding constant rate of acceleration at.
The water table is at a depth of 1 m. Compute the effective normal stress and the shear stress acting on a plane rotated 60 degrees clockwise from the horizontal at a depth of 2.5 m in this deposit.
Two identical spheres of radius 8 in . and weighing 2 lb on the surface of the earth are placed in contact. find the gravitational attraction between them .
How many numbers consisting of five different digits each can be made from the digits 1,2,3,...,9 if (a) the numbers must be odd (b) the first two digits of each number are even
The uniform load has a mass of 450 and is lifted using a uniform 35- strongback beam and four ropes. Determine the Tension in the ropes Determine the force that must be applied at A.
Two L 127 x 76 x 12.7-mm structural steel angles are used for a column (Use appendix B of the text book for cross-sectional properties) are used for a pin-ended column that is 4 m long. Determine the compressive buckling load if: θ· The angles act..
ENCIV3040 Structural Design - Determine a suitable size for the secondary beams, using UB or Welded Beam (WB) sections and Grade 300 steel - Design of the secondary beams
The 4-mm diameter cable BC is made of a steel with E= 200 GPa. Knowing that the maximum stress in the cable must not exceed 190 MPa and that the elongation of the cable must not exceed 6mm, find the maximum load P that can be applied as shown.
A new interstate highway is being built with a design speed of 120 km/h. What rate of superelevation is required for this curve at 120 km/h design speed
An engineer is to design a channel lined with planed wood to carry 2 m3/s of water on a given slope. The channel cross section can be either a 90 degree triangle or a square. Which would require less wood and by what percentage
cell pressure kN/m2 100 200 300 ultimate deviator stress kN/m2 137 210 283 ultimate pore pressure kN/m2 28 86 147 determine the effective stress strength parameters
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