Question

Which of the following is true about the method of measuring the angle of V-groove?

(a) Larger disc is placed over the smaller disc in groove

(b) Larger disc is placed in the groove after removing the smaller disc

(c) Smaller disc is placed below the smaller disc

(d) Larger disc is placed in the groove without removing the smaller disc

This question was posed to me in a job interview.

The above asked question is from Measure the Angle of a V-Groove in division Miscellaneous Measurements (EM) of Engineering Metrology

Answer 1

The correct option is (b) Larger disc is placed in the groove after removing the smaller disc

Explanation: After removing the smaller disc from the groove, bigger disc is placed in the groove. The height of disc let ‘h2’ is again measured with the help of height gauge.