## You are tasked with identifying where the stress concentrations may appear on a support beam. Of the following locations which will not have a stress concentration? I Near concentrated loads II. Close to discontinuities of the beam III Where distributed loads occur.

(A) II & III

(B) II

(C) I & II

(D) III

Using the Gibbs Phase Rule, how many intensive properties are required to fix a mixture of water and ammonia that is in a liquid state?

（A）1 （B） 2 （C） 3 （D） 4

**Correct Answer: C**

How much heat is dissipated when a current of 15 amps passes through a 4 ohm resistor?

（A）3,075 btuh （B） 900 btuh （C） 2,700 btuh （D） 9,300 btuh

**Correct Answer: A**

What is the standard equation for calculating the future worth (F) when
given the annual rate of return (I) and the present rate (P)?

(A) $latex F=P(1+i)^{n-1}$

(B) $latex F=P(1+i)^n$

(C) $latex F=P(1-i)^n$

(D) $latex F=P(1+n)^I$

**Correct Answer: B**

### More PE Exam Questions

- 1
A company can manufacture a product using hand tools. Tools will cost $1,000, and the manufacturing cost per unit will be $1.50. As an alternative, an automated system will cost $15,000 with a manufacturing cost per unit of $0.50. With an anticipated annual volume of 5,000 units and neglecting interest, the break-even point (years) is most nearly:

- 2Which of the following is FALSE with regards to creep I. May involve the sliding of whole grains II At high stresses creep is controlled by the movement of vacancies. III Also known as hot flow IV Creep is a time dependent deformation
- 3
A tube that is 10 feet long and 2 feet in diameter is placed in an air stream. The flow of the air is at a speed of 15 ft/s and is perpendicular to the long axis of the tube. If the coefficient of drag is 1.3 and the density of air is 0.075 lbm/ft

^{3}What is the drag on the cylinder? - 4What cycle is the most efficient?
- 5
You must choose between four pieces of comparable equipment based on the costs and salvage values given below. All four pieces have a life of 8 years.

The discount rate is 12%. Ignore taxes. The two most preferable projects and the approximate difference between their present worth values based on least cost are: