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Test: Mechanical Properties of Materials - 2


10 Questions MCQ Test Solid Mechanics | Test: Mechanical Properties of Materials - 2


Description
This mock test of Test: Mechanical Properties of Materials - 2 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. This contains 10 Multiple Choice Questions for Mechanical Engineering Test: Mechanical Properties of Materials - 2 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Mechanical Properties of Materials - 2 quiz give you a good mix of easy questions and tough questions. Mechanical Engineering students definitely take this Test: Mechanical Properties of Materials - 2 exercise for a better result in the exam. You can find other Test: Mechanical Properties of Materials - 2 extra questions, long questions & short questions for Mechanical Engineering on EduRev as well by searching above.
QUESTION: 1

Flow stress corresponds to

Solution:

The stress required to cause the metal to flow plastically to any given strain.

QUESTION: 2

Plasticity must be considered in designing for processes except

Solution:
QUESTION: 3

The loss of strength in compression due to overloading is known as

Solution:


(Bauschinger effect and hysteresis loop) Due to stress loading unloading, the yield stress in tension gets increased and yield stress in compression gets decreased. This decreasing of yield stress in compression is the Bauschinger effect. 

QUESTION: 4

Rupture stress is
Solution:
QUESTION: 5

The property of a material by virtue of which it can be beaten or rolled into plates is called
Solution:

it is a property of material allows it to expand in all directions without rupture. A malleable material has to be highly plastic, though it may not posses high stress. This property is of great use in processes such as forging, hot rolling, etc.

QUESTION: 6

Hardness is the resistance to
Solution:
QUESTION: 7

Which of the following factors affect the mechanical properties of a material under applied loads?
Solution:

Contents of alloys improve or decrease the hardness and strength of materials. Finer grain sizes improve the strength of the material. Imperfection and defects reduce the strength of the material. Shape, however, has little or no effect on the material.

QUESTION: 8

The change in the unit volume of a material under tension with increase in its Poisson’s ratio will
Solution:


∴  

QUESTION: 9

True stress-strain curve for material is plotted between
Solution:
QUESTION: 10

Consider the following statements about truestress-strain method/curve:
1. It is more sensitive to changes in both metallurgical and mechanical conditions.
2. It gives a more accurate picture of the ductility.
3. It can be correlated with stress-strain values in other tests like torsion, impact, combined stress tests etc.
4. It can be used for compression tests as well.

Which of the above statements are correct?
Solution:

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