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what would be the tensile proof force in newtons n in a machine screw having a major diameter of 4 mm with standard
a machine screw is found with no information given as to its size the following data are found by using a standard
a threaded fastener is made from nylon 66 with an mio xl5 thread compute the maximum tensile force that can be
if the load of 4000 lb is lifted by the screw described in problem 9 at the rate of 05 ins compute the required
compute the lead angle for the screw of problem 9 is it self-lockingproblem 9if a square-thread screw having a major
for the screw of problem 9 compute the torque required to rotate the screw when lowering the loadproblem 9if a
evaluate the performance of a helical compression spring made from 17-gage astm a229 steel wire that has an outside
design a helical torsion spring for severe service using stainless steel wire astm a313 type 302 to exert a torque of
design a helical compression spring using stainless steel wire astm a313 type 316 for average service which will exert
design a helical compression spring using music wire that will exert a force of 140 ib when its length is 068 in the
design a helical compression spring for a pressure relief valve when the valve is closed the spring length is 20 in and
design a helical compression spring to exert a force of 220 lb when compressed to a length of 175 in when its length is
if the design of a steel gear indicates that an allowable bending stress number of 36 000 psi is needed specify a
from the distances and deflections computed in problem 118 compute the three key cl chord layout lengths that is1 the
describe techniques that can be used to check the accuracy of the layout of a set of interchange curves using polar
curves can be established by occupying cl or offset stations and then turning off appropriate deflection angles or
on a busy construction site most control stations are blocked from a proposed area of layout describe how to create a
with the ability to record field measurements and point descriptions in an instrument controller or electronic field
explain the importance of electronic surveying in the extended field of surveying and data processing now often
some total station settings can be entered once and then are seldom changed while other settings must be changed each
describe a technique for identifying survey sightings on a curb line so that a series of curb-line shots are joined
determine the maximum force p that can be exerted on each of the two pistons so that the circumferential stress
solve prob 8-77 if the bar has a circular cross section of 30-mm diameterproblem 77a bar having a square cross section
the gondola and passengers have a weight of 1500 lb and center of gravity at g the suspender arm ae has a square
the hydraulic cylinder is required to support a force of p 100 kn if the cylinder has an inner diameter of 100 mm and