Question

When the speed of the governor decreases, which of the following effect does friction causes?

(a) Prevents downward movement of sleeve

(b) Prevents downward movement of sleeve

(c) Prevents radial outward movement of balls

(d) Increases downward movement of sleeve

This question was posed to me in a job interview.

My enquiry is from Coefficient of Insensitiveness topic in section Governors of Machine Dynamics

Answer 1

Correct answer is (a) Prevents downward movement of sleeve

The explanation: In actual conditions there is always friction acting at joints and operating mechanisms of the governor, because of this while slowing down friction prevents the downward movement of sleeve.