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प्रश्न
What is the function of ratchet in the screw gauge?
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उत्तर
When the flattened end of the screw comes in contact with stud, ratchet becomes free and makes a rattling noise. It indicates that the screw should not be further pushed towards the stud.
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संबंधित प्रश्न
Name the part of the vernier callipers which is used to measure the following
Depth of a small bottle
How can the least count of a screw gauge be decreased?
Define metre according to the old definition.
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.
In figure for vernier callipers, calculate the length recorded.
What do you understand by the following term as applied to micrometre screw gauge?
Baseline
State the formula for calculating the pitch of screw.
In the following figure, the pitch of the screw is 1 mm. Calculate:
(i) the least count of screw gauge and
(ii) the reading represented in the figure.
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.
The following figure shows the reading of a vernier caliper used for measuring the thickness of a metal sheet.
(i) Find the least count of the instrument.
(ii) Calculate the thickness of the metal sheet.
