# 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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