Question

Which of the following is true about pins the method which is used to determine the included angle of an internal dovetail?

(a) Pins touch both the sides of dovetail

(b) Pins touches only one side of dovetail

(c) Pins are of different size is used

(d) Balls of different size is used

I had been asked this question by my college director while I was bunking the class.

Query is from Determine the Included Angle of an Internal Dovetail topic in chapter Miscellaneous Measurements (EM) of Engineering Metrology

Answer 1

Right answer is (a) Pins touch both the sides of dovetail

Easy explanation: In this method of checking the included angle of an internal dovetail, firstly the two pins are placed in the position such that touches both the sides of dovetail and then distance across the pins is measured.