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The weight fraction of glass in a glass/epoxy composite is 0.8. If the specific gravity of glass and epoxy is 2.5 and 1.2, respectively, find the
1. Fiber and matrix volume fractions
2. Density of the composite
an 8 in. id pipe is connected by means of a reducer to a 6 in. id pipe. kerosene flows through the system at 2000
For unstrained material, a = 2.8610. Find the values of the residual stresses parallel and perpendicular to the weld. Assume E = 30 × 106 psi, υ = 0.29, and that the stress normal to the plate is zero.
Write the difference equation for the BTBC-CS method where a backward difference is used for the convection term and a central difference is used for the diffusion term. Assess the stability of the method.
A 110 kg machine is mounted on an elastic foundation with stiffness of 2106 N/m. To determine the damping that the machine is subjected to, an external harmonic force of 1500 N magnitude is applied to it at a rate of 150 rad/s. The vibration of the m..
The graph for the motion of a train as it moves from station A to station B is shown. Draw the a-t graph and determine the average speed and the distance between the stations.
Derive the equilibrium conditions for an isolated system consisting of two regions separated by a membrane and with three components A, B, and C. The membrane is rigid, heat conducting, and only permeable to component A.
a vertical shaft whose cross sectional area is 0.8 cm2 is attached to the top of the piston. determine the magnitude f
a conductor 1 ft long moves at right angles to a uniform magnetic field. find the voltage induced in the conductor if
A hollow conical container, standing point-down, is 1.2 m high and has a total included cone angle of 80 . It is being filled with water from a hose at 50 gallons per minute. How long will it take to fill the cone?
a small steam power plant has a boiler exit of 3 mpa 400degc while it maintains 50 kpa in the condenser. all the
Calculate the mass flow (in slugs/per second) that comes out the exit of the engine. The plane is at standard altitude 50,000 ft and velocity = 2200 ft/s. Would appreciate attack to problem.
The continuous beam carries a uniformly distributed load of intensity w over its entire length. Determine the limit value of w in terms of the limit moment ML.
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