Vernier callipers and micrometers

 Instructions:

There are 10 questions.

For the two multi-choice questions:

  • choose the correct answer
  • write down your answer.

For the eight vernier or micrometer measurement questions:

  • determine the unknown value
  • specify the appropriate unit
  • write down your answer.

Note:

  • You can print this page and write you answers onto it.

1. What is the name of the tool shown?

Photo of a precision measuring tool that has a sliding jaw and scale

  1. Micrometer.
  2. Slide rule.
  3. Protractor.
  4. Vernier callipers.

2. What is the name of the tool shown?

Photo of a precision measuring tool that has a rotating spindle and scale

  1. Micrometer.
  2. Slide rule.
  3. Protractor.
  4. Vernier callipers.

3. Specify the measurement, including the unit, shown on the following precision measuring tool.

The image shows a graduation on the upper (main) scale that is midway between 30 and 40. On the lower (vernier) scale the graduation is the second one after the number four.

Image showing the first graduations that align on the two scales

Note: The arrows on the image show the first graduations that align on the two scales .

 

4. Specify the measurement, including the unit, shown on the following precision measuring tool.

The image shows a graduation on the upper (main) scale that is midway between 60 and 70. On the lower (vernier) scale the graduation is the second one after the number nine.

Image showing the first graduations that align on the two scales

Note: The arrows on the image show the first graduations that align on the two scales .

 

5. Specify the measurement, including the unit, shown on the following precision measuring tool.

The image shows a graduation on the upper (main) scale that is two graduations after the number 60. On the lower (vernier) scale the graduation is the fourth one after the number seven.

Image showing the first graduations that align on the two scales

Note: The arrows on the image show the first graduations that align on the two scales .

 

6. Specify the measurement, including the unit, shown on the following precision measuring tool.

The image shows a graduation on the upper (main) scale that is inline with the number 90. On the lower (vernier) scale the graduation is the third one after the number five.

Image showing the first graduations that align on the two scales

Note: The arrows on the image show the first graduations that align on the two scales .

 

7. Specify the measurement, including the unit, shown on the following precision measuring tool.

The image shows a graduation on the sleeve that is four graduations after the number five. On the spindle scale the graduation is the second one after the number 20.

Image showing a reading on the scales of a precision measuring tool

 

8. Specify the measurement, including the unit, shown on the following precision measuring tool.

The image shows a graduation on the sleeve that is five graduations after the number 10. On the spindle scale the graduation is the fourth one after the number 15.

Image showing a reading on the scales of a precision measuring tool

 

9. Specify the measurement, including the unit, shown on the following precision measuring tool.

The image shows a graduation on the sleeve that is nine graduations after the number 15. On the spindle scale the graduation is inline with the number five.

Image showing a reading on the scales of a precision measuring tool

 

10. Specify the measurement, including the unit, shown on the following precision measuring tool.

The image shows a graduation on the sleeve that is seven graduations after the number 20. On the spindle scale the graduation is the fourth one after the number 45.

Image showing a reading on the scales of a precision measuring tool

 

 

When you have finished:

  • show your answers to your trainer
  • close this window and choose a new activity from the menu.