14 + Mcqs in Multiplication of Dislocation Page 1 McqOptions

Explore topic-wise MCQs in Mechanical Metallurgy.

If in a crystal there exist a point defect of the interstitial atom and if solute atom smaller than the solvent atom, then which is true for the edge dislocation?

In a crystal, there exist a point defect of the interstitial atom. If solute atom is larger than the solvent atom, then which is true for the edge dislocation?

In the Frank-Read dislocation source, if the distance between fixed points is L, then the minimum possible value of dislocation loop radius will be equal to L/2. The shear stress required to achieve this point is ____________

In the Frank-Read dislocation source, if the distance between fixed points is L, then the minimum possible value of dislocation loop radius will be equal to__________

If there is no source of dislocation multiplication in metal, the cold work of metal will reduce the dislocation density of the given metal.

Which of the following is not a source of dislocation?

The metallic tiny whisker are _________

Is it possible to generate dislocation by thermal activation?

Edge dislocation moves slowly in a crystal compared to a screw dislocation of same burger vector.

The interaction of two screw dislocation produces ___________

The interaction of screw dislocation and edge dislocation produces on the edge dislocation and _ on the screw dislocation.

To produce the kink from intersection of two dislocations, the necessary condition is ____________

To produce the jog from the intersection of two dislocations, the necessary condition is ______

A __ is a sharp break in the dislocation line by moving it out of the slip plane. A _ is a sharp break in the dislocation line, but it remains in the slip plane.

Explore topic-wise MCQs in Mechanical Metallurgy.

If in a crystal there exist a point defect of the interstitial atom and if solute atom smaller than the solvent atom, then which is true for the edge dislocation?

In a crystal, there exist a point defect of the interstitial atom. If solute atom is larger than the solvent atom, then which is true for the edge dislocation?

In the Frank-Read dislocation source, if the distance between fixed points is L, then the minimum possible value of dislocation loop radius will be equal to L/2. The shear stress required to achieve this point is ____________

In the Frank-Read dislocation source, if the distance between fixed points is L, then the minimum possible value of dislocation loop radius will be equal to__________

If there is no source of dislocation multiplication in metal, the cold work of metal will reduce the dislocation density of the given metal.

Which of the following is not a source of dislocation?

The metallic tiny whisker are _________

Is it possible to generate dislocation by thermal activation?

Edge dislocation moves slowly in a crystal compared to a screw dislocation of same burger vector.

The interaction of two screw dislocation produces ___________

The interaction of screw dislocation and edge dislocation produces ______ on the edge dislocation and _______ on the screw dislocation.

To produce the kink from intersection of two dislocations, the necessary condition is ____________

To produce the jog from the intersection of two dislocations, the necessary condition is ______

A ________ is a sharp break in the dislocation line by moving it out of the slip plane. A _______ is a sharp break in the dislocation line, but it remains in the slip plane.

The interaction of screw dislocation and edge dislocation produces on the edge dislocation and _ on the screw dislocation.

A __ is a sharp break in the dislocation line by moving it out of the slip plane. A _ is a sharp break in the dislocation line, but it remains in the slip plane.