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Question: A 20-ft-tall post is used to support advertisement signs, at various locations along its height, as shown in the accompanying figure. The post is made of structural steel with a modulus of elasticity of E = 29 x 106Ib/in2.Not considering wind loading on the signs,
(a) determine dis-placements of the post at the points of load application and
(b) determine stresses in the post.
we want to achieve a concentration of 0.5wt of carbon at a depth of 0.2 mm below the surface of the slab of a metal.
The horizontal pump in Fig discharges 20°C water at 57 m3/h. Neglecting losses, what power in kW is delivered to the water by the pump?
The rod ABC is made of steel (E = 29 X 10^6 psi). Determine the normal stress in section BC. Determine the deflection at point B and C.
A layer of water flows down an inclined fixed surface with the velocity profile shown in Fig. Determine the agnitude and direction of the shearing stress that the water exerts on the fixed surface for U = 3 m/s and h =0.1 m.
Pinch analysis (or pinch technology) is a popular methodology for optimizing the design of heat exchanger networks in complex thermal systems. Pinch analysis uses a primarily graphical approach to implement second-law reasoning.
1 water vapor at 6 mpa 6008c enters a turbine operating at steady state and expands to 10 kpa. the mass flow rate is 2
a pump fitted with 50mm bore ball bearings uses an oil whose viscosity ranges from 100cst at cold pump start-up to
a typical car driving along a level highway at constant speed of 60 miles per hour must expend approximately 10
the compression ration in an air-standard otto cycle is 8. at the begining of the compression stroke the pressure is
Load that can be lifted by aerostat balloon An aerostat balloon is filled with hydrogen. It has a volume of 1000m^3 at constant air temperature of 27 degree C and pressure of 0.98bar.
As fresh poured concrete hardens, the chemical transformation releases energy at a rate of 2 W/kg. Assume the center of a poured layer does not have any heat loss and that it has an average heat capacity of 0.9 kJ/kg K. Find the temperature rise d..
A bartender has a three-pint glass and a five-pint glass. A customer walks in and orders four pints of beer. Without a measuring cup but with an unlimited supply of beer how does he get a single pint in either glass?
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