Grasim Industries Technician Interview Questions and Answers

A motor is a device that converts electrical energy into mechanical energy to produce motion.

• Converts electrical energy into mechanical energy

• Produces motion

• Common types include AC motors and DC motors

A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.

• Consists of primary and secondary coils

• Works on the principle of electromagnetic induction

• Used to step up or step down voltage levels

• Examples: power transformers, distribution transformers

PCC stands for Power Control Center.

• PCC is a type of electrical distribution panel used to control power supply to various electrical equipment.

• It helps in distributing power to different circuits and equipment in an organized manner.

• PCCs are commonly used in industrial settings to manage power distribution efficiently.

Efflorescence in concrete is the white powdery substance that forms on the surface due to the migration of soluble salts.

• Efflorescence is caused by water moving through the concrete, dissolving salts and carrying them to the surface.

• It is commonly seen in new concrete structures but can also occur in older ones.

• Efflorescence can be removed using various cleaning methods such as brushing, pressure washing, or chemical t...read more