If you have to select a material and the primary requirement is a high melting temperature, what class of material would you investigate first for suitability?
What will be an ideal response?
ceramics
You might also like to view...
Seismic P-waves can be detected worldwide from any strong epicenter
Indicate whether the statement is true or false
Two uniform rods, each of length 2.0 m, are bent to form semicircles. One rod has a charger per unit lent of 1.5 nC/m, and the other has a charge per unit length of –1.5 nC/m. The semicircles are joined to make a circle. What is the magnitude of the electric field at the center of the circle?
a. 42 N/C b. 84 N/C c. 34 N/C d. 68 N/C e. 0
A white dwarf is composed of
a. hydrogen nuclei and degenerate electrons. b. helium nuclei and normal electrons. c. carbon and oxygen nuclei and degenerate electrons. d. degenerate iron nuclei. e. a helium burning core and a hydrogen burning shell.
What is the force that keeps a main sequence star from collapsing on itself?
A) Magnetism B) Gravitation C) The strong force D) Radiation pressure E) Electron degeneration pressure