Question

Inside size of slots or holes can be measured by

• A. Tachometer
• B. Hammer gauge
• C. Telescopic gauge
• D. Telegraphic gauge

Hint:

Telescopic gauges are ideal for measuring internal dimensions with precision, and they are usually paired with micrometers for accurate readings.

Answer 1

The Correct Option is C

Telescopic gauges are used to measure the inside dimensions of holes and slots. The gauge is expanded inside the hole or slot, and the measurement is then taken by micrometer to determine the size.