NABTEB QUESTIONS

Explain the use of these tools. (i) Scriber (ii) Spring divider (iii) Centre punch (iv) Trammel (v) Dot punch (vi) Odd – leg caliper – NABTEB QUESTION

i. Scriber: It is used to mark on draw lines or metals before cutting or drilling

ii Spring divider: It is used to draw arcs, circles or lines on metals

iii. Centre punch: It is used to mark or locate a point with the aid of a hammer before drilling or cutting.

iv. Trammel: It is used to mark large arcs or circles on metals

v. Dot punch : Used to locate points on metals in form of dots.

vi. Odd – leg calipers: Used to find out the centre of a round bar.

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