• Metallurgical Engineering Reference

# Equilibrium - Phase Transformation MCQ Questions

Equilibrium MCQs : Here you will find MCQ Questions related to "Equilibrium" in Phase Transformation. These Equilibrium MCQ Questions Will help you to improve your Phase Transformation knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations

Question 1

Phase equilibrium is a theoretical condition where the liquids and vapors have reached certain _____________ conditions at which they can separate.

A. Pressure
B. Temparture
C. Both A and B
D. Density

Question 2

In Phase equilibrium phase diagram, Which point represents the flowing conditions at the bottom of the production tubing of a well (two-phase)?

A. Point A
B. Point B
C. Point C
D. Point D

Question 3

Equilibrant Force, which keeps any object motionless and acts on virtually every object in the world that is not moving.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

Question 4

Two crystal structures are in equilibrium and their Gibbs energies are the same. Thus, the driving force for the transformation is_________

A. Less than zero
B. Greater than Zero
C. Zero
D. One

Question 5

In Phase equilibrium phase diagram, Point D represents?

A. the operating pressure and temperature in the petroleum reservoir (liquid).
B. the flowing conditions at the wellhead. Typically, these conditions are called flowing tubing pressure (FTP) and flowing tubing temperature (FTT).
C. represents the surface conditions at the inlet of the three separator (three-phase).
D. represents the surface conditions at the inlet of the first separator (two-phase).

Question 6

The quantum of energy in an elastic wave is called a ___________

A. Debye model
B. Sonar
C. Photon
D. Phonon

Question 7

Mechanical equilibrium, the state in which the sum of the forces, and torque, on each particle of the system is infinity.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

Question 8

Based on the Gibbs phase rule, how many degrees of freedom are present at the triple point of water?

A. 0
B. 1
C. 2
D. 3

Question 9

Which of the thermodynamic functions can be considered as an intensive property?

A. Volume
B. Pressure
C. Enthalpy
D. Entropy