Binary Phase Diagrams MCQ’s

Read Time:1 Minute, 24 Second

This set of Materials Science Multiple Choice Questions & Answers (MCQs) focuses on “Binary Phase Diagrams”.

1. The line above which the alloy is liquid is called __________
a) Solidus line
b) Tie line
c) Liquidus line
d) Lever line

2. It can be noted that the two substances are soluble in each other in the entire range of compositions in both liquid and solid state. This kind of system is known as ___________
a) Binary phase system
b) Unary phase system
c) Multiple phase system
d) Isomorphous system

3. How many components are present in binary phase system?
a) 3
b) 4
c) 2
d) 1

4. What is the XY line in the given phase diagram?

materials-science-questions-answers-mcqs-q4

a) Lever line
b) Tie line
c) Solidus line
d) Liquidus line

5. What is used for the determination of Phase amounts?
a) Tie line and Temperature–Composition Point
b) Lever line
c) Temperature–Composition Point
d) Pressure

6. According to the given figure, which of the following is used to determine the amount of each phase in a mixture?

materials-science-questions-answers-mcqs-q8


a) Lever rule
b) Tie line
c) Solidus line
d) Liquidus line

7. What is the α region in the given phase diagram?

materials-science-questions-answers-mcqs-q4

a) Homogeneous liquid solution
b) Semi solid solution
c) Vapor
d) Substitutional solid solution

8. A 53% Ni Cu-Ni alloy is cooled from the liquid state to 1300°C. Calculate the % of liquid and solid at 1300°C.
a) 28, 72
b) 38, 62
c) 35, 65
d) 65, 35

9. What is the equation for liquid mass fraction of this given phase diagram?

materials-science-questions-answers-mcqs-q8

a) cα – c0 / cα – cL
b) c0 – cL / cα – cL
c) cα / cα – cL
d) c0 / cα – cL

10. What is the region between liquidus and solidus lines?

materials-science-questions-answers-mcqs-q8

a) Two-phase region where liquid and solid coexist
b) Solid region
c) Liquid region
d) Lava region

Happy
Happy
0 %
Sad
Sad
0 %
Excited
Excited
0 %
Sleepy
Sleepy
0 %
Angry
Angry
0 %
Surprise
Surprise
0 %

Average Rating

5 Star
0%
4 Star
0%
3 Star
0%
2 Star
0%
1 Star
0%

Leave a Reply

Your email address will not be published. Required fields are marked *

Previous post Unary Phase Diagrams MCQ’s
Next post Isomorphous Alloys MCQ’s