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A stepladder consisting of two legs pinned together at C is resting on a rough floor. Will a 160-lb worker be able to change the light bulb if he is required to climb to a height of 2.6 ft? The uniform legs AC and BC weigh 22 lb and 14 lb, respectively. The coefficient of static friction at A and B is 0.48.
a new building to be located in a cold climate is being designed with a basement that has an l 200-mm-thick wall. inner
a piston-cylinder arrangement initially contains water at p 300 psia and t 500of. the piston is moved to a final
on an assembly line that fills 8-ounce cans a can will be rejected if its weight is less than 7.90 ounces. in a large
Determine (a) the turbine work output, in kJ/kg, and (b) the thermal efficiency of the cycle. Also, show the cycle on a T-s diagram with respect to saturation lines.
a curved nozzle assembly that discharges water to the atmosphere is shown. the nozzle mass is 4.5 kg and its internal
an insulated tank containing 0.4 m3 of saturated water vapor at 500kpa is connected to an initially evacuated
A small hoist is mounted on the back of a pickup truck and is used to lift a 500N crate . Determine the force exerted on the hoist by the htdraulic cylinder BC, the reaction at A.
communication satellites are placed in a geosynchronous orbitthat is in a circular orbit such that they complete one
a fixed quantity of air at t1 60oc and p1 158 kpa is heated at constant temperature in a piston-cylinder assembly
a thermodynamic cycle consist of i 1-2 constant pressure process with p11.4 bar v1 0.028 m3 w1210.5 kj ii 2-3
1. A Brayton cycle uses air and produces a net work of 14000 Btu/s with an inlet state of 60°F, 14.7 psi and a compression ratio of 16. The heat added in the combustion process is 400 Btu/lbm. If the thermal efficiency is 0.547 Determine: Using va..
What is the best approach to learn programming directed towards numerical methods and CFD for a beginner.
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