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Which of the following statements is FALSE when concerning the hot working of metal?

(A) Produce a fine grained product

(B) Removes strain hardening

(C) Combines of annealing and cold working

(D) Decreases the density of the metal

The Correct Answer
Explanation

What would the annuity be over a 20 year period that has an interest rate of 10% and a present worth of $500?

(A) $58.75 (B) $42.55 (C) $8.51 (D) $ 63.75

Correct Answer: A

Find the slope of the line defined by: $latex y=2x^5 + 3x^4 + 2x^2 + 3x + 1$

(A)$latex m = 2x^6 + 3x^4 + 2x^3 + 3$ (B) $latex m = 10x + 12x^2 + 4x^4 + 3$ (C) $latex m = 10x^5 + 12x^4 + 4x^2 + 3$ (D) $latex m = 10x^4 + 12x^3 + 4x + 3$

Correct Answer: D

How much torque can be applied to a 6 inch outer diameter pipe that has a wall thickness of 0.25 inches when the maximum shear stress is 20,000 psi?

(A)23,400 in lbs (B) 250,000 in lbs (C) 37,400 in lbs (D) 30,000 in lbs

Correct Answer: B

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