Question

What is the first step in the measurement of angle of the V-groove?

(a) Small disc is placed in the groove

(b) Flatness of groove is tested

(c) Bigger disc is placed in the groove

(d) Both discs are placed simultaneously

I had been asked this question in an online quiz.

Origin of the question is Measure the Angle of a V-Groove in portion Miscellaneous Measurements (EM) of Engineering Metrology

Answer 1

Right answer is (a) Small disc is placed in the groove

Best explanation: In the method of measuring the angle of V-groove, First step is that the small disc is placed in the groove. After that height of the smaller disc above the surface plate is measured with the help of height gauge.