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
If a process is considered to be internally reversible and adiabatic, what can the change in entropy be assumed to be?
(A) Entropy becomes Infinite (B) Entropy increases (C) Entropy decreases (D) Entropy does not change
Correct Answer: D
A heavy roller is held in equilibrium on a frictionless Plane AB by the force F, as shown. Which diagram correctly shows a vector polygon of the forces acting on the roller?
(A) Option A
(B) Option B
(C) Option C
(D) Option D
Correct Answer: C
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
More PE Exam Questions
- 1What would the annuity be over a 20 year period that has an interest rate of 10% and a present worth of $500?
- 2
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:
- 3Which 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
- 4
What is the oxidation state of Carbon in Carbonate (CO3-2)
- 5Which of the following can not be equal to 1 mol of the substance at standard conditions?