At what point should a brazed joint be washed with a wet rag?

A) As soon as it cools to 500°F B) Not until the joint cools to 250°F
C) As soon as the brazing is done D) After it has cooled for at least 30 minutes


B

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PROBLEM 2.30 A vertical load P is applied at the center A of the upper section of a homogeneous frustum of a circular cone of height h, minimum radius a, and maximum radius b. Denoting by E the modulus of elasticity of the material and neglecting the effect of its weight, determine the deflection of point A.

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In wool, the ____________________ helps to hold the scales on the outer layer of the fiber together and helps shed water.

Fill in the blank(s) with the appropriate word(s).

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A __________ is a packet switching network designed to carry data traffic over a public data network (PDN)

A. frame relay B. trunk C. local loop D. loopback

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If a 179-pound worker falls 3 feet into a top-rail, how many foot-pounds of force are exerted on the top-rail?

What will be an ideal response?

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