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A two-stage air compressor operates at steady state, compressing 10 m^3/min of air from 100kPa, 300 K to 1200 kPa. An intercooler between the two stages cools the air to 300 K at a constant pressure of 350 kPa. The compression processes are isentropic. Assume that specific heats vary with temperature. Consider the following: 1. Determine the power (kW) required to run the compressor. 2. Calculate the power (kW) required for isentropic compression from the same inlet state to the same final pressure in a single stage.
A fireclay brick cube, 10 cm in length is removed from a furnace where it was maintained at a temperature of 500 degrees C. The brick cube is then placed in ambient temperature conditions.
sleep apnea is a disorder involving brief interruptions of breathing during sleep. many patients who suffer from sleep
canon at an angle 30 degree tube is rotating at an axes with anguar velocities w1 and w2 2 and 5 rad/s and tube blows a ball at b with constant rate 7 m/s . what is velocity and acceleration of ball at tube end ball is at distance of 3m from tube ..
What is differential levelling? list the procedure for carrying out a differential levelling exercise where one point is beyond the range of the instrement . 100 word limit
How many kilograms each of pearlite and the proeutectoid phase form? Schematically sketch and label the resulting microstructure.
A huge reservoir of air supplies a converging-diverging nozzle with throat and exit areas of 10 cm^2 and 25 cm^2 respectively. The reservoir pressure and temperature are 150 kPa and 20C. Determine the range of back pressure over which
on an assembly line that fills 8-ounce cans a can will be rejected if its weight is less than 7.90 ounces. in a large
in a quasi-equilibrium process in a closed system a gas expands from a volume of 0.15m3 and a pressure of 120kpa to a
find the sum of two harmonic motions of equal amplitude but of slightly different frequencies. discuss the beating
a pressure vessel made of aluminum alloy 2024?t351 sy 325 mpa and kc 36 mpa?m12 is manufactured for a safety factor
a 50 cm long 800 w electric resistance heating element with diameter .5 cm and surface temperature 120c is immersed in 60 kg of water temperature to 80c. also determine the convection heat transfer coefficients at the beginning and at the end of t..
on a cold winters day it is 30degf outside. yet the temperature of the outside surface of the mechanical engineering
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