Which of the following are not an intensive property? Pressure Velocity Volume Density Kinetic Energy
(A)I, II & III
(B) IV & V
(C) I, II & IV
(D) III & V
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
Correct Answer: D
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
More PE Exam Questions
- 1
What is the standard equation for calculating the future worth (F) when given the annual rate of return (I) and the present rate (P)?
- 2What is the thermal efficiency for a Carnot engine that operates between 100F and 400K?
- 3A group of dog pulls a sled across a snow covered surface. It takes 5 hours to pull the 200 kg sled 100 kilometers. If the static friction is 0.4 and the dynamic friction is 0.1 what is the average power exerted by the dog sled team?
- 4You 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.
- 5Which of the following statements is FALSE when concerning the hot working of metal?