Dislocation Multiplication Online Exam Quiz
Dislocation Multiplication GK Quiz. Question and Answers related to Dislocation Multiplication. MCQ (Multiple Choice Questions with answers about Dislocation Multiplication
Dislocations generate on ___ under applied stress.
Options
A : every plane
B : slip planes
C : planes with Frank-Read source
D : {1 1 1} planes
Frank-Read source is a mechanism of dislocation multiplication.
Options
A : TRUE
B : FALSE
C : -
D : -
Higher dislocation density __ yield strength of the metal.
Options
A : increases
B : decreases
C : doesn't affect
D : can increase or decrease
In the following torsional test sample, the highest shear stress will be at point __^
Options
A : A
B : B
C : C
D : D
The deformation of the specimen is measured by a twist-measurement device called the troptometer.
Options
A : TRUE
B : FALSE
C : -
D : -
The dislocation bowing decreases with increasing applied stress.
Options
A : TRUE
B : FALSE
C : -
D : -
The stress required for the generation of dislocation through Frank-Read source is inversely proportional to ___
Options
A : shear modulus
B : burgers vector
C : distance between the pinning sites
D : p-n stress
The torsion test cannot determine __
Options
A : modulus of elasticity in shear
B : torsional yield strength
C : modulus of rupture
D : tensile strength
What is the density of dislocations in heavily deformed crystal?
Options
A : 108-1010 m-2
B : 1010-1012 m-2
C : 1012-1014 m-2
D : 1014-1016 m-2
What term is referred to the immobile pinning g sites in Frank-Read source?
Options
A : Nodal points
B : Pin points
C : Frank points
D : Shear points
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