Measurement 2 – LearnITbyTests

1. EXPLAIN the zero error found in a micrometer screw gauge?

Arises when the zero mark of the thimble scale coincides with center line of the sleeve scale.

Arises when the zero mark of the thimble scale does not coincide exactly with the centerline of the sleeve scale.

Arises when the zero mark of the Main scale does not coincide exactly with the zero mark of the Vernier scale.

None of the above.

Question 1 of 20

2. How many scales are there in a Vernier caliper?

Question 2 of 20

3. How do you measure the outside diameter of a pipe?

Using the inside jaws of the Vernier calipers

Using the outside jaws of the Vernier calipers

Using micrometer screw gauge

Using Vernier caliper

Question 3 of 20

4. The distance moved by the micrometer spindle in one complete rotation is called?

Anvil

Ratchet

Sleeve

Pitch

Question 4 of 20

5. Mention the Main difference between an engineers caliper and Vernier caliper?

Engineer caliper has only one pair of jaw but Vernier caliper two pairs of jaws (inside and outside)

Engineer caliper is more portable than a Vernier caliper

Engineer caliper has no millimeter scale while a Vernier caliper has a millimeter scale to determine the readings

all of the above

Question 5 of 20

6. Name the 2 types of calipers

Engineer's and Vernier calipers

Vernier and Carpenter's calipers

Carpenter's and Engineers calipers

All of the above

Question 6 of 20

7. Mention the scales found in a Vernier caliper?

Main scale

Error scale

Vernier scale

no idea

Question 7 of 20

8. Mention the work of a micrometer screw gauge?

Used to measure inside diameters

Used to measure outside diameters

Used to measure small distances

None

Question 8 of 20

9. Why is that after measuring the diameter of a pipe with an engineer's calipers you have to transfer the reading to a millimeter scale?

In order to get the reading of the distance between the jaws.

In order to clean the jaws

To determine there is no error

None of the above

Question 9 of 20

10. The internal jaw of a Vernier caliper is used to measure:-

External diameters

Internal diameters

Difference in diameters

None of the above

Question 10 of 20

11. Mention the scales found in a micrometer screw gauge?

Thimble scale

Vernier scale

Sleeve scale

all of the above

Question 11 of 20

12. Which of the following is not among the parts of a micrometer screw gauge?

Anvil

Spindle

Millimeter scale

Ratchet

Question 12 of 20

13. How do you measure the inside diameter of a pipe?

Using the inside jaws of the Vernier calipers

Using the outside jaws of the Vernier calipers

Using micrometer screw gauge

Using a Plumber's calipers

Question 13 of 20

14. How do you correct the zero error in a Vernier calipers measurement?

By adding the zero error to the measurement taken if the error is negative

By subtracting the zero error to the measurement taken if the error is positive

Assuming the zero error to the negligent

no idea

Question 14 of 20

15. The external jaw of a Vernier calipers is used to measure:-

External diameters

Internal diameters

Difference in diameters

None of the above

Question 15 of 20

16. Mention two methods which one can use to express measurements which have been computed to many digits?

Significant figures

Standard forms

foreign exchange

None

Question 16 of 20

17. How many scales are there in a micrometer screw gauge?

Question 17 of 20

18. How do you correct zero error in a micrometer screw gauge?

By adding the zero error to the measurements taken if the error is negative

By subtracting the zero error to the measurement taken if the error is positive

By adjusting the anvil to remove the zero error in the screw gauge

no idea

Question 18 of 20

19. Zero error in a Vernier calipers occurs when?

When the zero mark of the main scale does not coincide with zero mark of the Vernier scale

When the zero mark of the main scale coincides with the zero mark of the Vernier scale

When the zero mark of the main scale does not coincide with the zero mark a ruler's scale

All of the above

Question 19 of 20

20. Which of the following measuring instrument consist of a fixed Jaw and a sliding Jaw?

Micrometer screw gauge

Meter rule

Millimeter scale

Vernier calipers

Question 20 of 20

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