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1 .The mechanical properties of cobalt may be improved by incorporating fine particles of tungsten carbide (WC). Given that the mod- uli of elasticity of these materials are, respectively, 200 GPa (30 x 106 psi) and 700 GPa
2. (a) What is the distinction between cement and concrete?
(b) Cite three important limitations that restrict the use of concrete as a structural material.
(c) Briefly explain three techniques that (102 x 106psi), plot modulus of elasticity are utilized to strengthen concrete by rein versus the volume percent of WC in Co from 0 to 100 vol%, using both upper- and lower- bound expressions.
A mass of 0.5 g of air is contained in a piston-cylinder device. Initially the system is at 100 kPa and 25°C. The system is now compressed adiabatically to a volume 17 times s
Simplify the form of the continuity equation by removing zero terms and show that one of the following statements is valid: ∂u/∂x + ∂v/∂y + ∂w/∂z = 0
The figure on the right shows an approximated pressure distribution on an airfoil and the direction of incoming flow. Alpha is 10 degrees, the pressure distribution on the top
Solve the position of the cylinder when it is floating, the location of the center of buoyancy, and the metacenter. Compare the location of the metacenter with the center of
Using Finite Difference and Finite Element to Solve for Two-Dimensional Steady-State Heat Conduction. Temperature distribution in the block (provide color contour diagrams) Te
A stone is thrown straight downward with a speed of 20 m/s from the top of a tall building. If the stone strikesthe ground 3.0 s later, about how tall is the building? Assume
The flow around a model of a turbine blade is investigated. The model is five times larger than the prototype. A maximum pressure of 4 psi is measured at the leading edge, a m
The water surfaces in the two reservoirs are at the same elevation. When the pump adds 20 kW to the water, the flowrate is 1 m0. /s. If minor losses are negligible, determine
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