Examlex

Solved

In a Two-Component Alloy,the More Abundant Metal Can Be Thought

question 71

Multiple Choice

In a two-component alloy,the more abundant metal can be thought of as the solvent while the less abundant metal can be thought of as the solute.Which of the following is an explanation of why an alloy is often harder than either of the pure elements?
I.In a homogenous substitutional alloy,the solute atoms distort the crystal structure a bit,making it hard for atoms to slip past one another.
II.In a heterogeneous alloy,small regions rich in the solute atom can disrupt the crystal lattice,making it hard for atoms to slip past one another.
III.When solute atoms occupy interstices,they can prevent the atoms in the crystal structure from slipping past one another.


Definitions:

Widely Shared Expectations

Norms or beliefs that are commonly held and anticipated by a large number of people within a society or group.

Role Distancing

This refers to the practice of individuals trying to distance themselves from the roles they are expected to play, often to avoid fully conforming to societal expectations or stereotypes.

Dramaturgical Analysis

A sociological perspective originating from Erving Goffman, viewing social interactions as theatrical performances where individuals present themselves in ways that will be accepted by others.

Neofunctionalism

It's a theory in sociology and anthropology which suggests that societies evolve by adapting their institutions to new needs and challenges.

Related Questions