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We want to tighten an ASTM A193 bolt having 4-8 UN threads and a yield strength of 96 ksi. The effective length of its body, Lbe, is 12 in.; that of its threads, Lse, is 4 in. We're going to control the buildup of preload by measuring bolt elongation.
How much elongation do we want to create if the target tension is 80 ksi?
The discharge is 33 m3 /s. At the entrance to the channel, the depth is 0.68 m, and at the downstream end a free-outfall condition exists. Perform a profile synthesis to determine the nature of the water surface and energy grade line.
Show the difference between monoclinic and orthotropic materials by applying normal stress in principal directions and shear stress in principal planes, one at a time and studying the resulting nonzero and zero strains.
in a tow stage elongation of specimen the length is first increased from lo to l1 and then from l1 to l2. write down
a cylinder filled with oil is under pressure from a piston. the diameter d of the piston is 48mm and the compressive
A shell and tube heat exchanger with one shell pass and four tube passes is being analyzed to determine the heat transfer rate and the fluid outlet temperatures for prescribed flow rates and inlet temperatures. The cold fluid has a heat capacity rate..
the average plate temperature of a ?at plate of length l with constant heat ?ux with air at 20? c ?owing over it at a
A rotating saw blade has 48 teeth and 4 slots. If the room where the saw is used is illuminated with a pulsed light source, at what pulse frequencies will a) the saw blade teeth appear to be stationary? b) the blade slots appear stationary?
consider an adiabatic turbine with an isentropic efficiency of 85. the inlet pressure and temperature are 3.50 mpa and
An observer is sitting in frame S at rest with respect to S. A second person is sitting in frame S' which is moving with β = 0.8 away from S. What is the velocity of the ball in frame S
a 0.3 kg softball has a velocity of 15 ms at an angle of 35deg below the horizontal just before making contact with the
The lines are shown in cross section in Figure 14.32. Permittivity and permeabilities are given.
At a section where the diameter is 4 in, methane flows with the velocity of 50ft/s and a pressure of 85 psia. At a downstream section, where the diameter has increased to 6 in, the pressure is 45 psia. Assuming the flow to be isothermal, compute the ..
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