Question

When does the back mounting used in dial indicators?

(a) When space is limited and positive clamping is not required

(b) When space is more and positive clamping is required

(c) Space is limited and positive clamping is required

(d) Space is more and positive clamping is not required

This question was posed to me during an internship interview.

I want to ask this question from General Care of Dial Gauges in chapter Dial Indicators and Indicating Gauges of Engineering Metrology

Answer 1

The correct answer is (c) Space is limited and positive clamping is required

The explanation: A dial indicator could be mounted either by the back or by the stem. Back mounting of dial indicator provides more positive clamping. It is preferred where fixture design mount permits adjustment and space is limited.