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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 velocity at impeller exit is 30.5 m/s and the slip factor is 0.90. Given that the flow area at impeller exit is 0.1 m2 and the total-to-total efficiency of the impeller is 90%, determine the mass flow rate.
one of the problems of wind tunnel testing at airspeeds near sonic speed is the large effect on the flow conditions of
what gage material is used for a medium sized production for run? for higher-volume production? for situations
water vapor enters a valve with a mass flow rate of 2 kgs at a temperature of 320 degrees celsius and a pressure of 60
an 1640 kg car stopped at a traffic light is struck from the rear by a 820 kg car. the two cars become entangled moving
A single phase step up transformer is used to transform 240VRMS to 2400VRMS. The transformer is operating at its rated power of 1kW (with purely resistive load), with transformer Reqp = 5, and a Xeqp = 4j, ignore the magnetising branch.
a piston-cylinder assembly initially contains 0.15 m3 of steam at 20 bar and 320oc. the steam expands adiabatically
cooling water enters a cooling tower at a rate of 1000 kgh and 70 degree c. water is pumped from the base of the lower
1 in engineering graphics what are the three primary or regular views?2 estimate the total number of hours throughout
Discuss some of the circumstances where mechanical ventilation is required in the welding standards.
Consider the interaction of two vortex rings of equal strength and similar sense of rotation. Show that they go through each other.
(a) 1 N equals 1 kg ? m/s2 but 1 lbf does not equal 1 lb ? ft/s2. (b) Specific volume, the volume per unit of mass, is an intensive property while volume and mass are extensive properties. (c) The kilogram for mass and the meter for length are exampl..
Water in thermal equilibrium with a 50 C plate flows across the plate at a velocity of 0.5 m/s. find the length of the plate required such that the critical Reynolds number is achieved at the trailing edge of the plate.
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