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Which of the following is incorrect about line standard?

(a) These are legal standards

(b) A round recess, half inch away from the ends is cut at both ends

(c) Slope at the ends is zero

(d) Points of supports are called ‘Airy’ points

This question was addressed to me by my college director while I was bunking the class.

I'd like to ask this question from Line Standard in portion Standards of Measurements of Engineering Metrology

1 Answer

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The correct option is (b) A round recess, half inch away from the ends is cut at both ends

For explanation: A round recess is cut at both ends up to the central plane of the bar. These are one inch away from two ends.

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