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:
(A) 2.0
(B) 2.8
(C) 3.6
(D) 15.0
Your credit card has a nominal interest rate of 18%. If the interest is calculated monthly, what is the effective annual rate?
（A）19.0% （B） 18.5% （C） 19.6% （D） 20.1%
Correct Answer: C
What is the elongation of a 2 meter aluminum bar when it has been stressed to 512 MPa? (E = 69 GPa)?
(A) 1.5 cm (B) 2.0 cm (C) 1.0 cm (D) 1.7 cm
Correct Answer: A
A copper ball that is 1.5 m in diameter has a temperature of 100C. The environment is at 0C. If the emissivity of copper is 0.15 how much power is radiated by the copper ball?
(A) 6 w (B) 5,264 W (C) 500 W (D) 1,164 W
Correct Answer: D
More PE Exam Questions
- 1Which of the following are not an intensive property? Pressure Velocity Volume Density Kinetic Energy
- 2A plane intercepts the coordinate axis at (4,6,10). What are the Miller indices for this plane?
- 3An 18 wheeler has a mass of 28,000 kilograms when fully loaded. The truck goes from 0 to 90 kilometers per hour in 120 seconds. What is the force on the 18 wheeler due to acceleration?
- 4An iron sphere with a mass of 1.5 kg hangs from a 15 cm long spring. If the spring constant is 0.75 N/m what is the period of oscillation when the sphere is pulled down and released?
- 5You 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.