Question
Download Solution PDF_____________ is a type of scale on which three successive dimensions can be measured.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExolanation:
Scale: In order to prepare a drawing of any size, a scale is essential. E.g. 1 cm = 1 metre (m)
Classification of scales:
- Plain Scales
- Diagonal Scales
- Comparative Scales
- Vernier Scales
- Chord Scales
(i) Plain Scale is used to measure up to two consecutive units, i.e. a unit and its immediate sub division. For example (a) metre and decimetre (b) kilometre and hectometre (c) feet and inches etc.
(ii) Diagonal Scale is used to represent three consecutive units i.e. a unit and its immediate two sub divisions. For example (a) metre, decimetre and centimetre (b) kilometre, hectometre and decametre (c) yards, feet and inches etc. A diagonal scale can measure more accurately than a plain scale.
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