UPSC Civil Service Exam Questions - Engineering

Q1:

The effective throat thickness in mm of a 6 mm size fillet weld with an angle of 75° between the fusion faces is

A 3.6

B 4.0

C 4.2

D 4.5

ANS:C - 4.2

Throat thickness=0.7 * size of the weld.
= 0.7 * 6 = 4.2.