Which of the following pure annealed materials would you expect to have the highest yield stress?
(a) FCC copper
(b) BCC iron
(c) HCP magnesium
(d) LDPE
(c) HCP magnesium
You might also like to view...
Describe the physical significance of thermal conductivity.
What will be an ideal response?
How does the spectrum of a star depend on its surface temperature?
A. The cooler the star, the more molecular absorption bands will be present in its spectrum. B. Hot stars and cool stars can both have weak hydrogen lines. C. The hotter the star, the more colors will be present in its continuous spectrum. D. All of these choices are correct. E. None of these choices are correct.
A conducting loop in the form of a circle is placed perpendicular to a magnetic field of 0.50 T. If the area of the loop increases at a rate of 3.0 × 10-3 m2/s, what is the induced emf in the loop?
A) 4.3 mV B) 0 mV C) 1.5 mV D) 1.7 mV E) 5.5 mV
Changing the f-number of a camera by two stops by going from f/16 to f/8 will change the intensity of the light hitting the film by a factor of:
a. 4. c. 1/4. b. 1/2. d. 2.