How many anchor bolts are needed for a block wall 540" long if the spacing between anchor bolts is 5'6"?
What will be an ideal response?
10
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What is the role of interpoles in DC motors?
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PROBLEM 3.151 A steel pipe of 12-in. outer diameter is fabricated from -thick plate by welding along a helix which forms an angle of 45? with a plane perpendicular to the axis of the pipe. Knowing that the maximum allowable tensile stress in the weld is 12 ksi, determine the largest torque that can be applied to the pipe.
Refer to Exercise 4. Assume that the cost of repairing an assembly whose clearance is too little is $2, and the cost of repairing an assembly whose clearance is too much is $3.
a. Express the total cost of repairs in terms of X and Y. b. Find the mean of the total cost of repairs. c. Find the standard deviation of the total cost of repairs.
Describe the practice of conventional revolution and explain why true projection is a poor practice when this application is used.
What will be an ideal response?