Online Engineering Continuing Education Courses

Fundamentals of Material Science Quiz:

Quiz Questions:

1.	Ionic bond is a type of bond where one or more electrons are wholly transferred from an atom of one element to the atom of the other.

		True
		False

2.	In a crystalline structure, the atoms are arranged in a three-dimensional array called a _________________.

		Lattice
		Molecule

3.	Hydrogen bond is a type of bond, which occurs due to the ease with which hydrogen atoms are willing to give up an electron to atoms of oxygen, fluorine, or nitrogen.

		True
		False

4.	_______________ is defined as the bond when the electrons of neutral atoms spend more time in one region of their orbit, a temporary weak charge will exist.

		Molecular bond
		Covalent bond

5.	The _______________ is a region of misfit between the grains and is usually one to three atom diameters wide.

		Grain boundary
		Structure

6.	In general, the most common basic crystal patterns associated with metals are:

		Body-centered cubic
		Face-centered cubic
		Hexagonal close-packed
		All of the above

7.	In a ________________ arrangement of atoms, the unit cell consists of eight atoms at the corners of a cube and one atom at the body center of the cube.

		Body-centered cubic
		Free-centered cubic

8.	Electrons are shared when an atom needs electrons to complete its outer shell and can share those electrons with its neighbor is called as a covalent bond.

		True
		False

9.	_________________ is the permanent deformation that increases with time under constant load or stress.

		Creep
		Lattice

10.	________________ is the property or ability of a metal to exist in two or more crystalline forms depending upon temperature and composition.

		Polymorphism
		Uranium

11.	The gamma phase is stable at room temperature and has a crystal system characterized by three unequal axes at right angles.

		True
		False

12.	________________ are stresses produced in structural members because of the weights they support.

		Structural stresses
		Residual stresses

13.	________________ exists when two parts of a material tend to slide across each other in any typical plane of shear upon application of force parallel to that plane.

		Shear stress
		Compressive stress

14.	The Bulk Modulus of Elasticity is the elastic response to hydrostatic pressure and equilateral tension or the volumetric response to hydrostatic pressure and equilateral tension.

		True
		False

15.	What does figure 4 stands for? (Refer Pg 18)

		Typical Brittle Material Stress-Strain Curve
		Typical ductile material
		Typical Young's Modulus
		None of the above

16.	Flow stresses are stresses induced in vessels containing pressurized materials.

		True
		False

17.	_________________ is the internal resistance of a material to the distorting effects of an external force or load.

		Stress
		Strain

18.	Plastic deformation (or plastic strain) is a dimensional change that does not disappear when the initiating stress is removed.

		True
		False

19.	The ________________ of a component is usually considered based on the maximum load that can be borne before failure is apparent.

		Strength
		Properties

20.	What does UTS stand for?

		Ultimate Tensile Strength
		Ultimate Testing Strength
		Ultimate tensile Standard
		None of the above