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Solve Prob. 9-16 using Mohr's circle.
Problem 16:
Determine the equivalent state of stress on an element at the point which represents
(a) the principal stresses and
(b) the maximum in-plane shear stress and the associated average normal stress. Also, for each case, determine the corresponding orientation of the element with respect to the element shown and sketch the results on the element.
Consider a box model for an air shed over a city that is 1 X 105 m on a side, with a height of 1200 m induced by a temperature inversion. Winds with no SO2 blow at 4 m/s agains one side of the box.
Starting with the relation dh= T ds + v dP, show that the slope of a constant-pressure line on an h-s diagram (a) is constant in the saturation region and (b) increases with temperature in the superheated region.
The trapezoidal channel has a slope of .004. The sides of the canal are sealed with a plastic membrane, which is protected by a 1 ft thick layer of 1 in diameter gravel. The bottom is a 6 in slab of rough concrete.
Steel pipe employed for oil drilling operations is made up of many segments joined sequentially and suspended in an oil well. Suppose the pipe used in one such application has an outer diameter of 7.5cm and an inner diameter of 5cm, a density of 7.90..
determin the force in memebers de, hg and he of the trees and state if the members are in comperhemsion
A vapor-compression refrigeration system, using Refrigerant 134a as the working fluid, has evaporator and condenser pressure of 1.4 bar and 12 bar, respectively.
For a cantilever beam 20 ft long under a uniformly distributed load of 500 pounds/foot, calculate the deflection v and the slope dv/dx as a function of x by integrating differential equations.
A heat pump that operates on the ideal vapor compression cycle with refrigerant 134a is used to heat water from 16 to 56 degrees Celsius at a rate of 0.20kg/s. The condensor and evaporator pressures are 1.5 and 0.35 Mpa, respectively. Determine the p..
How to use the bisection method on the van der waals equation Problem The van der Waals equation gives a relationship between the pressure P (in atm.),
estimate the velocity with which you would contact the ground if you jumped from an airplane at an altitude of 500ft and a) air resistance is negligible, b) air resistance is important, but you forgot your parachute
The particles have an effective drift velocity of 10.0 cm/s. Specify the total plate area, channel width, number and size of plates, number of electrical sections (total and in direction of flow), and total corona power to be supplied, and estimat..
If a tractor with 23-hp, a max speed of 3.6 mph in 1st gear and an effieiciency of 92% is operated operated down a 4% slope and the rolling resistance is 80 lb/ton, what is the maximum external pull in each of the 4 gears.
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