The magnitude(N) of the resultant of the three coplanar forces, A, B, and C, is most nearly:
(A) 7.0
(B) 7.8
(C) 9.2
(D) 10.3
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
How much torque can be applied to a 6 inch outer diameter pipe that has a wall thickness of 0.25 inches when the maximum shear stress is 20,000 psi?
（A）23,400 in lbs （B） 250,000 in lbs （C） 37,400 in lbs （D） 30,000 in lbs
Correct Answer: B
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
More PE Exam Questions
- 1Which 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
- 2A plane intercepts the coordinate axis at (4,6,10). What are the Miller indices for this plane?
- 3
What is the oxidation state of Carbon in Carbonate (CO3-2)
- 4What is the hydraulic diameter of a 20 inch diameter pipe that is half full?
- 5How much torque can be applied to a 6 inch outer diameter pipe that has a wall thickness of 0.25 inches when the maximum shear stress is 20,000 psi?