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Consider the isentropic flow of a fluid through a converging-diverging nozzle with a subsonic velocity at the throat. How does the diverging section affect (a) the velocity, (b) the pressure, and (c) the mass flow rate of the fluid?
The central conductor and the conducting tube carry equal currents of I = 1.05A in opposite directions. The currents are distributed uniformly over the cross sections of each conductor. What is the value of the magnetic field at a distance r = 5.4..
A vane, 10 cm long and 8 cm in diameter, was pressed into soft clay at the bottom of a bore hole. Torque was applied and gradually increased 45 N-m when failure took place. Subsequently the vane rotated rapidly so as to completely remould the soil..
What is the maximum population that can be served by a 900 mm diameter main sewer constructed on minimum grade? If sewage flow in the pipe never exceeds a depth of 600 mm, estimate the actual population contributing flow to the main.
A previously calibrated rotometer is being used to measure a gas flow. The old calibration curve is a straight line described by the following equation:
A cable is attached at A and is connected to the wall. Determine the axial forces in the members of the truss using the Method of Joints and indicate whether they are in tension (T) or compression (C). Be sure to provide complete free body diagram..
Gaseous oxygen (99% pure, molar basis) is to be produced at a rate of 350ft^3/hr in a Linde single column plant. The column operates at a pressure of 1 atm. Air leaves the compressor at a pressure of 10 atm.
Using EES (or other) software, write a program to determine the apparent gas constant, constant volume specific heat, and internal energy of a mixture of three ideal gases when the mass fractions and other properties of the constituent gases are g..
A first order reaction occurs in a PFR at the rate of 2.1 hr^-1. The reactor volume is 1400L and flow is 15 gpm. If the influent concentration is 200 mg/L, then what is the effluent concentration
When the ambient air is at 70 degrees Fahreneit, 14.7 psia, and contains 21% oxygen by volume, 4.5 lb of air are pumped into a scuba tank, capacity 0.75 ft^3. What volume of ambient air was compressed
An in-compressible fluid flows horizontally in the x-y plane with a velocity given by u = 33 (y/h)^1/2 , where y and h are in meters and h is a constant. Determine the average velocity for the portion of the flow between y = 0 and y =h.
Say the availability of supply is 60% to, and through Tank “A”, and 40% supplying tank B. Is this close to the transmission capacity within the system to J and C? If not, what do you suggest?
determine the stresses in the steel and concrete under the service loads
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