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The antitorque wrench is designed for use by a crew member of a spacecraft where no stable platform ex- ists against which to push as a bolt is turned. The pin A fits into an adjacent hole in the space structure which contains the bolt to be turned. Successive os- cillations of the gear and handle unit turn the socket in one direction through the action of a ratchet mechanism. The reaction against the pin A provides the "antitorque" characteristic of the tool. For a gripping force P = 150 N, determine the torque M transmitted to the bolt. (One side of the tool is used for tightening and the other for loosening the bolt.)
is the hoop stress in a 12 schedule 40 pipe greater or smaller than the axial stress? by how much? so how will the pipe
the 0.5m long container shown in the figure accelerates downhill 25 degrees to horizon so that the liquid surface is
you are working as a summer intern at a company and a fellow intern obviously an u of a engineering student accidently
the water in a 25 m deep reservoir is kept inside by a 150 m wide wall whose cross section is an equilateral triangle.
Initially, you are required to design both a Moore machine and a Mealy machine and discuss the advantages/disadvantages of each. For these initial circuit designs, use D flip-flops as the memory elements, then build and test both circuits on Yenka..
consider a metal that is subjected to cold working by rolling it to a lesser thickness or hammering it. a would you
A specimen of aluminium having a rectangular cross section 9.9 mm × 13.0 mm (0.3898 in. × 0.5118 in.) is pulled in tension with 35300 N (7936 lbf) force, producing only elastic deformation. The elastic modulus for aluminium is 69 GPa (or 10 × 10 6..
A pump delivers 40 litres/min to a 90 mm bore/30 mm rod cylinder to lift a load of 200 kg. What is the pressure exerted on the piston? What is the speed at which the load will be lifted? How much power is required to lift the load at this speed?
1. a 2-d system consists of two sinkssources one is located at the origin and the other is located at the point 40.
H2O at 350oF, 60 psi enters an insulated nozzle at 10 ft/s. It leaves at 1440 ft/s and 35 psi. What is the isentropic efficiency?
the vertical motion of mass a is defined by the relation x10sin2t15cos2t100. determine a the position velocity and
The principal strains in a circular bulge test are the thickness strain, εt, the cir- cumferential (hoop) strain,εc, and the radial strain, εr. Describe how the ratio εc/εr varies over the surface of the bulge. Assume that the sheet is locked at the ..
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