Jaya Hind Industries Trainee Interview Questions and Answers

Vernier calipers measure the least count of a measurement tool.

• Vernier calipers are used to measure the internal and external dimensions of an object with high precision.

• The least count of a Vernier caliper is the smallest measurement that can be read on the scale.

• It is typically 0.02 mm or 0.001 inches, depending on the scale of the caliper.

• The least count is determined by the number of divisions on the main scale and

Delta series connection is a method of connecting three-phase AC circuits.

• In delta connection, each phase is connected to the adjacent phase forming a triangle or delta shape.

• It is commonly used in electric motors and transformers.

• The current rules for delta connection are that the line current is equal to the phase current and the phase voltage is equal to the line voltage divided by the square root of 3.