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
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
What is the hydraulic diameter of a 20 inch diameter pipe that is half full?
(A) 10 inches (B) 2.5 inches (C) 20 inches (D) 5 inches
Correct Answer: D
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
Correct Answer: D
More PE Exam Questions
- 1Using the Gibbs Phase Rule, how many intensive properties are required to fix a mixture of water and ammonia that is in a liquid state?
- 2An 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?
- 3What is the natural frequency of a body that has a period of oscillation of 2.7 seconds?
- 4Which 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
- 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: