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1.The bar rotates in the x-y plane with constant angular velocity w0 = 12 rads/s. The radial component of acceleration of the collar C (in m/ssqrt) is given as a function of the radial position in meters by a sub r = -8r. When r = 1m, the radial component of velocity of C is v sub r= 2m/s. Determine the velocity of C in terms of polar coordinates when r= 1.5m.
2.In a rectangular channel of 12 m width, water flows at a rate of 150 cms. At the end of the channel, there is a horizontal concrete apron of 12 m width, on which the water depth is 3 m. Will a hydraulic jump formed in the channel and why? What is the pre-jump depth? What is the loss of energy through the jump?
Design a cyclone that has a collection efficiency between 80% and 85% (use parcticle size distribution given below). you must assume a dpc of 4.2 microns,an inlet gas velocity of 25 m/s and a K of 15.
You are provided with a brittle material whose ultimate tensile strength is 25% of its ultimate compressive strength. Plot the failure loci for each of the brittle failure criteria. For example, you may want to to either
Determine the height, h, the water level will rise in the tank before remaining constant. Also, if initially the tank is empty, what amount of time will it take for the water level to rise to h? Be sure to justify all assumptions made.
A store charges 1.25 % interest per month in credit purchases. This is equivalent to: what nominal annual interest rate, effective annual interest rate, and effective monthly interest rate?
The disk has an initial clockwise rotation speed of 8 rad/sec and at t=0 begins a counter-clockwise acceleration of ? = 0.6 t1.88. What is the speed of point A at t=3 sec? Point A has a radius of 2 ft.
A saturated sample of clay with an sl 20 has a natural water content of 32%. What would its dry volume be as a percentage of its original volume of Gs.= 2.67.
Consider a 2D triangular element with the three vertices at 1[1,1], 2[1,2] and 3[2,2]. the displacements at these t hree points are [0.1,0.1], [0.3,0.2] and [0.4, 0.3] mm for point 1,2,and 3 respectively
The officer believes the driver is intoxicated and begins accelerating uniformly to 50 mi/h in 8 seconds and maintains a constant velocity of 60 mi/hr, overtakes the motorist 42 seconds after he passed the officer.
An effluent holding pond to be used as part of a spray irrigations system is being built. The holding pond is located 2.5 miles awary for the 10 mgd WWTP which will supply the effluent
For a flow of 2 MGD, an influent BOD of 200 mg/l, a depth of 8 feet, and a desired effluent BOD concentration of 20 mg/l, determine the volume required for trickling filtration treatment as predicted for single-stage treatment by using NRC equatio..
A trapezoidal channel has a bottom width of 5 feet, a slideslope (horizontal:vertical) of 2, and a depth of flow of 4 feet. The elevation of the channel bottom drops 2 feet every 1000 feet of horizontal distance traveled. The discharge in the channel..
An expressway off-ramp consisting of a single lane leads directly to a tollbooth. The rate of arrival of vehicles at the expressway can be considered to be Poisson with a mean of 50 veh/h.
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