Question

What is the nominal diameter of studs when the core diameter of studs is 1.5mm?

(a) 1.8m

(b) 2.5mm

(c) 1.8mm

(d) 2.5m

The question was posed to me in a national level competition.

My query is from IC Engine in section Design of IC Engine Components of Automotive Engine Design

Answer 1

Right option is (c) 1.8mm

Explanation: The nominal diameter of studs when the core diameter of studs is given,

                          d=\(\frac{d_c}{0.8}\)

                          d=\(\frac{1.5}{0.8}\)

                          d=1.87mm