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A stationary power plant operating on an ideal Brayton cycle has a pressure ratio of 8. Gas temp is 300k at compressor inlet and 1300k at turbine inlet. Utilizing air standard cycle analysis. Known T at the turbine and compressor are 540k and 770k. nth equals 0.426. Assume compressor and turbine efficiencies of 80% and 85%. A) find nth, T4a? B) what is nth if sum of regenarate efficiency is 80% installed?
a round bar is simultaneously subjected to bending moment a torsional loading and a shear loading. the maximum bending
experimental values for the properties of an alloy steel have been found to be su 1480 mpa sy 1370 mpa e207gpa kic
a long slab is heated to 100degreec on both sides and then exposed to a focused stream of cold air on the top edge -
a beam of rectangular cross section is 200 mm deep 100 mm wide and 3 m long. it is simply supported at each end. it has
a compressor is designed to run at 4000 rpm when ambient conditions are 101 kpa and 20c. on the day when the
A 17-tooth 20 normal pressure-angle helical pinion with a right-hand helix angle of 30 rotates at 1800 rev/min when transmitting 4 hp to a 52-tooth helical gear. The normal diametrical pitch is 10 teeth/in, the face width is 1.5 in, and the set has a..
A turbine receives air at 1500 K, 1000 kPa and expands it to 100 kPa. The turbine has an isentropic efficiency of 85%. Find the actual turbine exit air temperature and the specific entropy increase in the actual turbine.
air at a velocity of 35. 2 ft sec and a pressure of 793. 1 mm hg flows in a long circular pipe whose inside diameter
Consider a pressure vessel made by welding together two hemispheres of radius 20 ft and wall thickness 1.5 inches. If the allowed normal stress is 90 ksi, calculate the maximum allowed pressure within the spherical vessel.
The ball is kicked from point A with the initial velocity vA=10m/s. Determine the range R, and the speed when the ball strikes the ground
a particle known as a pion lives for a short time before breaking apart into other particles. suppose it is moving at a
suppose a cube of aluminum which is 1.00 cm on a side accumulates anet charge of 2.50 pc. a what percentage of the
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