ISMT Operator Interview Questions and Answers

The least count of measurement instruments like dial gauge, caliper, and micrometer and how to use them.

• Dial gauge typically has a least count of 0.01 mm and is used to measure small distances or thicknesses.

• Calipers usually have a least count of 0.02 mm and are used for measuring lengths and diameters.

• Micrometers have a least count of 0.01 mm and are used for precise measurements of small dimensions.

Tempering and quenching are heat treatment processes used to alter the properties of metals.

• Tempering involves heating the metal to a specific temperature and then cooling it in order to reduce brittleness and increase toughness.

• Quenching is the rapid cooling of a metal in water, oil, or air to increase hardness and strength.

• Both processes are commonly used in the manufacturing of tools, knives, and other metal compone