Rockwell Hardness Test Quiz

Rockwell Hardness Test Quiz

University

10 Qs

quiz-placeholder

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Rockwell Hardness Test Quiz

Rockwell Hardness Test Quiz

Assessment

Interactive Video

Education

University

Easy

Created by

Julio Cesar Dutra

Used 2+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of the Rockwell Hardness Test?

To measure the color of a material

To determine the weight of a material

To calculate the temperature of a material

To measure the permanent depth of indentation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of indenter is used in the Rockwell Hardness Test Scale C?

A steel ball

A rounded cone made of diamond

A flat plate

A cylindrical rod

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the minor force applied in the first step of the Rockwell Hardness Test?

100 kilo pawns

10 kilo pawns

50 kilo pawns

20 kilo pawns

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much is the test force increased by in the second step of the Rockwell Hardness Test?

100 kilo pawns

200 kilo pawns

140 kilo pawns

50 kilo pawns

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating Rockwell Hardness HRC?

HRC = 0.1 - permanent depth of indentation in millimeters times 600

HRC = 0.3 - permanent depth of indentation in millimeters times 400

HRC = 0.5 - permanent depth of indentation in millimeters times 200

HRC = 0.2 - permanent depth of indentation in millimeters times 500

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in setting up the testing machine?

Adjusting the test piece

Rotating the microscope lens

Installing the conical diamond indenter

Picking up the gear wheel

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should be done after placing the gear wheel on the support table?

Increase the test force

Rotate the microscope lens to its vertical position

Start the test immediately

Remove the gear wheel

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