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Air is compressed by an adiabatic compressor from 100 kPa and 20 °C to 1.8 MPa and 400 °C. Air enters the compressor through a 0.15-m2 opening with a velocity of 30 m/s. It exits through a 0.08-m2 opening. Calculate the mass flow rate of air and the required power input. Consider both constant specific heat and variable specific heat (since the temperature change is significant).
if the bar has clockwise angular velocity of 10 rad/s and Va= 20m/s what are coordinates of instantaneous center of the bar, and what is the value of Vb?
water is the working fluid in an ideal regenerative rankine cycle with one open feedwater heater. steam enters the
Describe the machinability evaluation criteria, is it a quantitative or qualitative evaluation and describe the High Speed Machining of Steel/Iron or Aluminium
saturated vapor steam at 5 psia eneters an adiabatic heat exchanger and leaves as saturated liquid at 5 psia. the steam
1. a fire hose nozzle has an orifice diameter of 1inch. according to some fire codes the nozzle must be capable of
A uniform circular disk of mass m = 1 kg and radius R = 0:4m rolls down an incline. Suppose the disk starts rolling from rest. Find the speed of the center-of-mass when the disk is 2m down the inclined plane.
the hydrogen spectrum has a red line at 656 nm and a blue line at 434 nm. what is the firstnbsporder angular
In the gear-and-shaft system shown, the shaft diameters are dab= 2 in. and dcd=1.5 in. Knowing that G = 11.2 x10^6 psi, determine the angle through which end d of shaft cd rotates.
air at 14.7 psia and 60 degf enters a heavy duty compressor with negligibly small inlet speed. the air is discharge at
an 8-in. id 20.32 cm pipe is connected by means of a reducer to a 6-in id pipe. kerosene flows throught the system at
calculate the vapor pressure-temperature relationship of liquid iron.
water density 1000 kgm3 flowing in a horizontal 25 cm diameter pipe at 8 ms and 300 kpa gauge enters a 90 degree
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