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प्रश्न
State whether the following statement is true or false by writing T/F against it.
The ratchet of a screw gauge is used to measure the depth of a beaker.
विकल्प
True
False
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उत्तर
False
The ratchets are used to hold the object under measurement gently between the studs.
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संबंधित प्रश्न
When is a vernier Callipers said to be free from zero error?
Name the part of the vernier callipers which is used to measure the following
Internal diameter of a mug
The diameter of a thin wire can be measured by
A micrometre screw gauge has a positive zero error of 7 divisions, such that its main scale is marked in 1/2 mm and the circular scale has 100 divisions. The spindle of the screw advances by 1 division complete rotation.
If this screw gauge reading is 9 divisions on the main scale and 67 divisions on the circular scale for the diameter of a thin wire, calculate
- Pitch
- L.C.
- Observed diameter
- Corrected diameter
What do you understand by the following term as applied to screw gauge?
Zero error
What do you understand by the following term as applied to screw gauge?
Negative zero error
How the backlash error is avoided?
The precision of vernier calipers is ______ mm.
