Question

What is the main use of the strain gauge?

(a) To measure viscosity

(b) To measure velocity

(c) To measure temperature

(d) To measure pressure

I had been asked this question in an interview for job.

I need to ask this question from Engine Electronics topic in portion Automotive Electronics, Engine Performance Parameter & Testing of Automobile Engines of Automobile Engineering

Answer 1

Right answer is (d) To measure pressure

To explain: The main use of the strain gauge is to measure pressure.  In this sensor, the conductor changes the dimension along with the member whose strain is to be measured.