## 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

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**

### More PE Exam Questions

- 1Your credit card has a nominal interest rate of 18%. If the interest is calculated monthly, what is the effective annual rate?
- 2Using the Gibbs Phase Rule, how many intensive properties are required to fix a mixture of water and ammonia that is in a liquid state?
- 3
If a process is considered to be internally reversible and adiabatic, what can the change in entropy be assumed to be?

- 4How 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?
- 5What is the thermal efficiency for a Carnot engine that operates between 100F and 400K?