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A nonnewtonian plate is at rest between two plates (5 mm apart) in parallel. The bottom plate is stationary while the upper plate can move horizontally. A laminar flow is generated by moving the upper plate. Three different shear rates are applied (800, 1000 and 1200 s-1 ). Assuming that the fluid follows a power low model, Calculate the velocity of the upper plate at three different shear rates for n = 0.3, 0.6 and 0.9. (K = 0.5) Prepare the graph of shear rate against velocity for different "n" values.
Determine the length of roadway that is in full superelevation for a four-lane expressway with a 60 mph design speed. The BC of the curve is at station 15+00 and has a minimum allowable radius. The curve delta is 25 degrees and 30’.
Is it realistic to assume that no OH will be present in the equilibrium mixture?
The coordinates of loop-traverse stations follow. Compute the bearing and length of each course.
The relative velocity of two infinitely wide parallel plates thatare 1cm apart is 10cm/s. If the dynamic viscosity of the liquid between the plates is 0.001 N s/m2 what is the shear stress between the plates?
a. Find the fraction of the nitrogen that is in the ammonia (NH3) form (and hence strippable) as a function of pH. Include a table AND a graph. b. If the wastewater pH is raised to 10 and the atmospheric ammonia partial pressure
Estimate the amount of Ca(OH)2(s) leached from concrete during a one-year period by precipitation. Assume that the area receives 40 in/yr of precipitation which is in equilibrium with
A piston cylinder combination contains 2 kg of air at the ambient temperature of 25C and at the unknown ambient pressure. To provide a source of cooling on this hot Florida day
A 150-pound person burns 400 Calories per hour while climbing stairs. Determine how long this person needs to climb stairs to burn off the dinner calories.
The saturated unit weight of the clay is 20kN/m 3 and that of the sand 19 kN/m 3 ; above the water table the unit weight of the sand is 16.5 kN/m 3 . Calculate the effective vertical stresses at the top and bottom of the clay layer.
You have been hired by your local golf course as an environmental consultant to stop the rapid growth of algae in its premier lake at the 18th hole. You have determined that a 0.5 ppm concentration of copper sulfate should be applied
In accordance with BCA, what are the assessment methods and how may they be used to determine that a building solution complies with the performance requirements?
Water is to be boiledat sea level in a 30 cm diameter stainless steel pan on top of a3-kW electric burner. If60% of the heat generated by the burner is transferred to thewater during boiling, determinethe rate of evaporation of water.
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