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Contain at least one two-force member. Solve by utilizing the two-force principle, where appropriate. If the weight of a body is not specifically stated, it can be neglected. The figure represents the head of a pole-mounted tree pruner. Determine the force applied by the cutting blade ED on the tree branch when the vertical rope attached at A is pulled with the force P.
A low-temperature power plant operates with R-410a maintaining-20?C in the condenser, a high pressure of 3 MPa with superheat to 80?C. There is one open FWH operating at 800 kPa with an exit as saturated liquid at 0?C. Find the extraction fraction..
The total annual runoff from small drainage basin is determined to be approximately normal with a mean of 14.0 in. and a variance of 9.0in^2. Determine the probability that the annual runoff from the basin will be less than 11.0 in. in all three of t..
By heat transfer the whole system cools to the ambient temperature of 25?C, at which point the gas pressure is 1.5 MPa. Find the exergy at the initial and final states and the destruction of exergy in the process.
Select an appropriate motor-pump unit for this job and Identify three manufacturers with product model numbers and prices. Make a selection and explain why you selected that particular product.
The pipes holding the boards were placed 10 ft apart across the dam. There were 20 pipes and each one was designed to fail under a bending moment of 1625 ft-lb how deep will the water be on the flash boards when failure occurs
If the stage of a stream increases by 40% and the slope of the water surface becomes half of its original slope, then what will be changes in discharge of the stream
Note that this will require the design of two pairs of gears. Sketch the anangement of the train, and compute the actual output speed.
For a beam made of 2 materials with different moduli of elasticity,show that the shear stress formula τ =VQ/lt remains validprovided that both Q and I
What is the length of a 2 degree increment along a (A) meridian and (B) parallel at 45N and 115W. Assume the radius of Earth is 6370 km.
What is the major head loss in a coarse concrete pipe with a diamter of 1ft that is 100 ft long. Water flows at a rate of 20 ft^3/s (viscosity of water = 2.344x10^-5 lbfs/ft^2, density of water = 1.94 slugs/ft^3) 1inch = 25.4mm
If you have 10 kips acting downward on a foundation and footing, 4 feet long, with uniformly distributed load acting up ward of 2.5 k/ft (soil) also 4 ft long. what are the reactions, shear forces, and bending moments at the tree critical points?
A Rankine cycle has a boiler pressure of 2500 psi and a condenser pressure of 1psi. The temperature at the inlet of the turbine is 800F. The turbine has an isentropic efficiency of 90 percent and the pump operates isentropically.
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