MT LAB QUIZ1

A tension test experiment is

• Destructive test

• constructive test

• hardness test

• flexure test

Unit of strength

• N

• N/m2

• Pa

• Kpa

Resistance to abrasion is called

• Hardness

• Toughness

• strength

• permeable

Ratio of change in dimension to original dimension is called

• stress

• strain

• flexure

• split

Unit of torque

• Nm

• N/m

• N/m2

• N/m3

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

• Compressive stress

• Shear stress

• Hardness

• Tensile stress

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

• Bottom of the specimen

• Tension side of the specimen

• Top of specimen

• side of the specimen

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

• Brass

• Brown specimen

• B Scale

• Medium hardness

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

• 80MPa

• 8 MPa

• 8 GPa

• 80 GPa

In a load deflection curve, deflection is plotted in which axis

• X axis

• Y axis

• Z axis

• None