Question

What is the gap between the free ends of the ring after assembly when D=80mm?

(a) 0.7 to 0.43mm

(b) 0.11 to 0.25mm

(c) 0.1 to 1.9mm

(d) 0.16 to 0.32mm

This question was addressed to me by my college professor while I was bunking the class.

The origin of the question is IC Engine topic in portion Design of IC Engine Components of Automotive Engine Design

Answer 1

The correct option is (d) 0.16 to 0.32mm

Explanation: G=0.002D to 0.004D

                           = 0.002×80 to 0.004×80

                           = 0.16 to 0.32mm