Advertisements
Advertisements
Question
What do you understand by the following term as applied to micrometre screw gauge?
Thimble
Advertisements
Solution
A hollow circular cylinder connected to the screw, which rotates along with nut on turning, is called the thimble.
APPEARS IN
RELATED QUESTIONS
A boy uses a vernier callipers to measure the thickness of his pencil. He measures it to be 1.4 mm. If the zero error of vernier callipers is +0.02 cm, what is the correct thickness of the pencil?
Fig., below shows the reading obtained while measuring the diameter of a wire with a screw gauge. The screw advances by 1 division on the main scale when circular head is rotated once.
Find:
(i) Pitch of the screw gauge,
(ii) Least count of the screw gauge and
(iii) The diameter of the wire.
Figure shows the position of vernier scale while measuring the external length of a wooden cylinder.
- What is the length recorded by the main scale?
- Which reading of vernier scale coincides with the main scale?
- Calculate the length.
The least count of a vernier callipers is 0.01 cm and it has an error of + 0.07 cm. While measuring the radius of a sphere, the main scale reading is 2.90 cm and the 5th vernier scale division coincides with the main scale. Calculate the correct radius.
Who invented vernier callipers?
What do you understand by the following term as applied to micrometre screw gauge?
Thimble scale
What is the least count in the case of the following instrument?
Screw gauge
Consider the following case where the zero of vernier scale and the zero of the main scale are clearly seen. If L.C. of the vernier calipers is 0.01 cm, write the zero error and zero correction of the following.
A vernier caliper using the scale invented by Galileo.
