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
Find the slope of the line defined by: $latex y=2x^5 + 3x^4 + 2x^2 + 3x + 1$
（A）$latex m = 2x^6 + 3x^4 + 2x^3 + 3$ （B） $latex m = 10x + 12x^2 + 4x^4 + 3$ （C） $latex m = 10x^5 + 12x^4 + 4x^2 + 3$ （D） $latex m = 10x^4 + 12x^3 + 4x + 3$
Correct Answer: D
A plane intercepts the coordinate axis at (4,6,10). What are the Miller indices for this plane?
(A) (2,3,5) (B) (15,10,6) (C) (-4,-6,-10) (D) (10,6,4)
Correct Answer: B
What cycle is the most efficient?
(A) Carnot (B) Brayton (C) Diesel (D) Otto
Correct Answer: A
More PE Exam Questions
- 1
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?
- 2A spaceship leaves the space station with an acceleration of 15 ft/s2. After 3 minutes the engines turn off and the acceleration is 0 ft/s2. What is the average velocity of the spaceship?
- 3How much heat is dissipated when a current of 15 amps passes through a 4 ohm resistor?
- 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?
- 5
The following data have been collected:
Which of the following statements is true?