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A pin-connected structure consists of a rigid beam ABCD and two supporting bars. Bar (1) is an aluminum alloy [E = 70 GPa] with a cross-sectional area of A1 = 2,400 mm2. Bar (2) is a bronze alloy [E = 100 GPa] with a cross-sectional area of A2 = 6,000 mm2. All bars are unstressed before the load P is applied; however, there is a 3-mm clearance in the pin connection at A. If a load of P = 795 kN is applied at B, determine the normal force in bar (1).
helium gas enters a nozzle whose isentropic efficiency is 88 percent with a low velocity and it exits at 15.3 psia 160f
supose you have one mole of an ideal gas t1300k in a container and you want to compress it isothermally by a constant
the net potential energy en between two adjacent ions is sometimes represented by the expression en -cr d exp-rpin
calculate the largest semicircular surface flaw oriented along the axis of the bores that could withstand a fluid pressure of 50MPa.
Determine the forces in members DE, DJ, and IJ using the method of sections. I have 5 upper horizontal members; AB, BC, CD, DE, and EF all 3ft apart. A total of 15ft. A pin is at member EF at F. FK is the vertical member connected to a roller at K. M..
A solid 0.625-in. diameter steel [E = 29300 ksi] rod (1) supports beam AB, as shown. If the stress in the rod must not exceed 20 ksi and the maximum deformation in the rod must not exceed 0.26 in., determine the maximum load P that may be supported.
frictionless piston in a cylinder with 0.2 kg h2o under it. if piston raises to a given height the piston will hit
a tank of 0.5 m3 volume contains compressed air. a valve is opened and air escapes with a velocity of 300 ms through an
explain how multiple depths can be produced by chemical machining also mention the relationship between width and depth
a heat pump is executed with r-134a under the saturation dome between the pressure limits of 1.6 mpa and 0.2 mpa. if
using the kelvin-planck statement of the second law of thermodynamics demonstrate the following corollaries a. the
Determine the tension developed in AB cable for equilibrium of the 350-lb crate. Determine the tension developed in AC cable for equilibrium of the 350-lb crate. Determine the tension developed in AD cable for equilibrium of the 350-lb crate.
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