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A centrifugal fan is to be used to take a flue gas at rest ( zero velocity) and at a temperature of 352.6K and a pressure of 749.3 mmHg and discharge that gas at pressure of 800.1 mmhg and a velocity of 38.1 m/s. The volume flow rate of gas is 56.6 std m^3/min of gas ( at 294.3K and 760 mmHg). Calculate the brake KW of the fan and its efficiency is 65% and the gas has a molecular weight of 30.7. assume incompressible flow.
determine the designe power. An output speed of 175 RPMis specified. Determine: a) number of teeth on the small sprocket, b) number of teeth on the large sprocket, c) lubrication type required, d) the required length of chain (in inches) if the ce..
a heat engine receives heat from a source at 1200 k at a rate of 500 kjs and rejects the waste heat to a medium at 300
if k 0.410-3 ft-1 determine d such that a car driving at constant speed v0180mph experiences at b an acceleration with
qualitatively plot the following processes on p-v t-v and p-t diagrams. use an arrow sign pointing to the process
homebuilding has undergone significant advances in the last 20 years due largely to replacement of hand tools hammers
a vertical piston-cylinder device initially contains 0.25 m3 of air at 600 kpa andnbsp300degc. a valve connected to the
Diffusion Coeffiecient, Calculate Constant, The diffusion coeffiecient for Cr^+3 in Cr2O3 is 6x10^-15 cm2/s at 727 degrees Celcius and is 1x10^-9 cm2/s at 1400 degrees Celcius.
a 12 kn force is exerted on a rocker arm. the moment of inertia i of the crosssectionnbspwith respect to the
A piston-cylinder device contains 0.8kg of steam at 300 degrees C and 1 MPa. Steam is cooled at constant pressure until one-half of the mass condenses.
a 25kg steel tank having a volume capacity of 250 litres is filled with liquid water at room temperature. what is need
a charge of -3.30 microc is fixed in place. from a horizontal distance of 0.0435 m a particle of mass 7.65 10-3 kg and
How many times more ignition energy is required to achieve ignition of a fuel-air mixture at sea level with T = 298 K than at altitude of 6000 m where pressure P = 47,166 Pa and T = 248 K?
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