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A centrifugal compressor has an impeller tip speed of 366 m/s. Determine the absolute Mach number of the flow leaving the radial vanes of the impeller when the radial component of the velocity at impeller exit is 30.5 m/s and the slip factor is .9. Given that the flow area at impeller exit is .1m^2 and the total efficiency of the impeller is 90%, determine the mass flow rate.
When does a 2x2 orthogonal matrix Q with det(Q) = 1 describing a 2 dimensional rotation have real eigenvalues and eigenvectors?
the acceleration of a particle traveling along a straight line is a8-2s ms2 where s is in meters. if v0 at s0 determine
saturated liquid ammonia is compressed adiabatically in a pistoncylinder. the ammonia starts at 40f and the
air containing 1.6 mol so2 is to be scrubbed with pure water in a packed column with a 1.5 m2 cross-sectional area and
1. a go-kart including driver weighs 800 lbs. during an aggressive braking event the vehicle decelerates from 60
A box of clear plastic wrap for household use is polyethylene, C2H4, with density = 0.910 Mg/m3. A box of this product contains 87 ft2 of material (in a roll 304 mm wide by 26.5 m long). If the wrap is 0.2 mil (5.08 micrometers) thick, calculate the ..
a tank has two rooms separated by a membrane. room a has 1kg of air and a volume of 0.5 m3 room b has 0.75 m3 of air
a pressure vessel of radius 11.0 in is filled with a gas at a pressure of 550.0 psi gauge. the top of the vessel is
A rotating saw blade has 48 teeth and 4 slots. If the room where the saw is used is illuminated with a pulsed light source, at what pulse frequencies will a) the saw blade teeth appear to be stationary? b) The blade slots appear stationary? c) Will t..
three grams of air are contained in a piston-cylinder. initially the air temperature and volume are 300k and 2.5 liter.
suppose you are planning a trip in which a spacecraft is to travel at a constant velocity for exactlyseven months as
you have a refrigeration plant that makes ice in the summer to supply grocery stores. you maintain the cold room where
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