Question
Download Solution PDFIf LCM of vernier caliper is 0.02mm . Main scale reading is 20.5mm and 9th devision of vernier scale matches with main scale. What is the dimension ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFVernier Caliper
Vernier Caliper is a precision instrument that can be used to measure internal and external distances accurately.
A vernier calliper consists of two main parts: The main scale engraved on a solid L-shaped frame and the vernier scale that can slide along the main scale.
It works on the principle of vernier and can measure the dimensions to an accuracy of 0.02 mm.
The vernier division coinciding with the main scale is the xth division, value = x × 0.02 mm = 0.02x mm.
Calculation:
Given:
Main scale reading = 20.5 mm
The vernier division coinciding with the main scale is the 9th division, value = 9 × 0.02 mm = 0.18 mm.
Dimension of the object = main scale reading + vernier scale reading = 20.5 + 0.18 = 20.68 mm.
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