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WorksheetsPhase Diagram and Heat Treatments
Total questions: 15
Worksheet time: 11mins
In Gibbs phase rule (2+C=F+P), 2 in the equation implies which of the following two can be changed independently
Pressure and Composition
Pressure and Temperature
Temperature and Composition
None
Degrees of freedom for a triple point on the phase diagram are
0
1
2
3
Solvus is a line on the phase diagram which differentiates between
a liquid and a solid
different liquids
different solids
None
Which one is a better design in dispersion strengthening?
A
B
Both
None
Which one is a better design in dispersion strengthening?
A
B
Both
None
Which one is a better design in dispersion strengthening?
A
B
Both
None
The reaction in the figure is called
Eutectic
Peritectoid
Monotectic
Eutectoid
Name the reaction marked in red on the figure
Eutectoid
Peritectoid
Peritectic
Eutectic
Which of the following structure will form at the point marked as red on the figure
Which one is the correct sequence of structure formation in age hardening?
The structure of alpha ferrite is
FCC
BCC
HCP
None
The structure of austenite is
FCC
BCC
SC
None
The theoretical limit of carbon in iron for steel is
0.08%
0.11%
2.11%
2%
Martensite is
Soft
Ductile
Annealed
Hard
The diagram that describes the time required at any
temperature for a phase transformation to begin and end is called
P-T diagram
C-T diagram
TTT diagram
None
