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Material Testing Lab Online Viva

Authored by Anitha Jacob

Professional Development

Professional Development

Used 13+ times

Material Testing Lab Online Viva
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A tension test experiment is

Destructive test

Constructive test

Hardness test

Flexure test

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What is the unit of strength

N

N/m2

N/mm2

MPa

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Rockwell hardness experiment, the value obtained is 45HRB. What is the letter B indicates

Brass

Brown specimen

B Scale

Medium hardness

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Izod impact test, what is the position of the notch on the specimen

Bottom of the specimen

Tension side of the specimen

side of the specimen

Top of specimen

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the standard value of modulus of rigidity of mild steel

80MPa

8 MPa

80 GPa

8 GPa

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between Youngs modulus E and shear modulus N. ν is the Poisson's ratio

E=2N(1+ν)

E=2N(1-ν)

E=N(1-2ν)

E=N(1+2ν)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a torsion experiment, what kind of stress is formed during torsion

Tensile stress

Shear stress

Compressive stress

Hardness

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