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Find the maximum axial compressive service loads that the column of cross section shown can carry. The column is short. Assume that the service dead load and live load are equal. Check the ties. Use f′ c = 4000 psi and fy = 60,000 psi.
a person weighing 800 lbf climbs a flight of stairs that extends a vertical distance of 300ft. calculate the work and
a crate in the back of a truck with an open tailgate has impending sliding as the truck accelerates from rest to 60 mph
air undergoes a polytropic process in a piston-cylinder assemply from p1 14.7 lbfin2 t1 70 degrees f to p2
If the deformation ef?ciency is 82% and the ef?ciency of transferring energy from the motor to the mill is 85%, what horsepower motor should be used?
A steel strut is pinned at both ends. The strut has a solid circular cross section and is 6 m long. The strut collapses under a load of 100 kN. Calculate the diameter of the strut
For a vehicle in gravitationless space, determine the mass ratio necessary to boost the vehicle velocity by 1600 m/sec; the effective exhaust velocity is 2000 m/sec and the initial total vehicle mass is 4000 kg.
An object initially at an elevation of 5 m relative to Earth's surface with a velocity of 50 m/s is acted on by an applied force R and moves along a path. Its final elevation is 20 m and its velocity is 100 m/s. The acceleration of gravity is 9.81 m/..
a heat pump is used to heat a house.when the outside air temperaure is 10 f and the inside is maintained at 70 f the
at steady state a refrigeration cycle maintains a freezer at -2degc removing energy by heat transfer from the food
1.) Answer the following questions. a.) Briefly describe the problem resulting from the overaging of a precipitation hardened alloy. b.) At what temperature does a 5.0wt% Cu-Al alloy completely solidify when slowly cooled from 700oC? c.) What is the ..
a thin-walled circular tube must support a torque of 6 kn.m and a pure bending moment of 4.4 kn.m. if the wall
A 50-kg traffic signal is suspended by two 21-m cables which have a mass of 1.2 kg per meter of length. Determine the vertical deflection 8 of the junction ring A relative to its position before the signal is added.
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