HARDNESS TEST

Hardness test is the ability of a material

to resist

• Scratching

• Wear and tear

• Indentation.

• Fracture

The most difficult material to remove metal from

• Hardest

• Strongest

• Weakest.

• Toughest.

The following tests are hardness test

• Tensile test.

• Vickers Test

• Rockwell Test

• Creep Test.

Which of following tests uses spherical indenter.

• .Brinell test.

• Vickers Test

• Rockwell Test

• Creep Test.

Which of following tests uses pyramid indenter

• .Brinell test.

• Vickers Test

• Rockwell Test

• Creep Test.

In following Brinell hardness quotation

(1800 HBW 10/3000/30 ) , HBW means

• Test time.

• Diameter of indenter

• The applied force.

• Indenter material.

In following Brinell hardness quotation

(1800 HBW 10/3000/30 ) , 30 is for

• Test time.

• Diameter of indenter

• The applied force.

• Indenter material.

In following Brinell hardness quotation

(1800 HBW 10/3000/30 ) , 3000 is for

• Test time.

• Diameter of indenter

• The applied force.

• Indenter material.

In following Brinell hardness quotation

(1800 HBW 10/3000/30 ) , 10 is for

• Test time.

• Diameter of indenter

• The applied force.

• Indenter material.

In following Brinell hardness quotation

(1800 HBW 10/3000/30 ) , Brinell is

• 1800

• 10

• 3000.

• 10/3000/30