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Each member of the truss shown is made of steel (Est = 200GPa) and has the cross- sectional area shown. If the applied load P on point E is 40 kN,
a) determine the vertical deflection of joint C by using Castiglione's second theorem.
b) determine the horizontal deflection of joint C by using Castiglione's second theorem.
c) if a vertical force F is also applied at C to prevent its movement in vertical direction, determine the value of force F.
A first-order reaction that results in the destruction of a pollutant has a rate constant of 0.1/day. (a) How many days will it take for 90 per- cent of the chemical to be destroyed (b) How long will it take for 99 percent of the chemical to be destr..
A piston-cylinder assembly containing 1/4 kg of a gas undergoes a constant pressure process at 5 bar beginning with a specific volume of 20 m^3/kg. for the gas in the system the work is -15 kj. determine the final volume of the gas in m^3
A rectangular block of aluminum 30 mm × 60 mm × 90 mm is placed in a pressure chamber and subjected to a pressure of 100 MPa. If the modulus of elasticity is 70 GPa and Poisson’s ratio is 0.333, what will be the decrease in the longest side of the bl..
For a metal and wood structure, how would the economies of construction be obtained (pertaining to the mean and standard deviation of a probability of failure graph)?
Water is flowing at a velocity of 10 ft/sec and a depth of 10ft in a channel of rectangular section. Find the change in depth and in absolute water level produced by
It was observed that the truck traveled a distance of 120 ft after the brake was engaged before coming to a complete stop. If instead the driver brings the truck to a velocity of 90 mph and completely engages the brake
Provide a realistic design project scenario - The report shall be concise and effective in transmitting technical information to interested parties, such as engineering checkers and drafting staff.
0.5 m-diameter concrete pipe (5.0 cm rigid wall thickness with rigid pipe walls) carries water 600m before discharging into another reservoir. The surface elevation of the downstream reservoir is 55 m lower than the supply reservoir.
A $325,000 bond has an interest rate of 8.4% but if the bond experiences an inflation rate of 8.6% what will be the profit be after 4 years
For a brittle material that has a specific surface energy of 0.26J/m2, and flexural strength and elastic modulus valuesof 76.6 MPa and 64 GPa, respectively, calculate the critical stressrequired for the propagation of a surface crack of length 0.05 m..
a dry cleaning establishment buys 500 gal of carbon tetrachloride every month. as a result of the dry cleaning operation, most of this is lost to the atmosphere and only 50 gal remain to be disposed of.
A 10 HP Motor turning 1800 rpm is attached to a 60:1 speed reducing gearbox. The motor has an efficiency of 80%. It operates at 240V AC. A 12" diameter drum is attached to the gearbox output shaft, and a wire rope is wrapped around the drum to act as..
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