Arvind Group Manager Interview Questions and Answers

Different types of pumps include centrifugal pumps, positive displacement pumps, and diaphragm pumps.

• Centrifugal pumps use centrifugal force to move fluid through the pump.

• Positive displacement pumps move fluid by trapping a fixed amount and forcing it through the discharge.

• Diaphragm pumps use a diaphragm to move fluid through the pump.

• Examples: Centrifugal pump - water pump, Positive displacement pump - gear pump, Dia

Screw compressors work by using two rotating screws to compress air or gas.

• Screw compressors have two interlocking screws that rotate in opposite directions to trap and compress air or gas.

• The compression process occurs as the air or gas moves along the screw threads towards the discharge port.

• Screw compressors are known for their efficiency and reliability in industrial applications.

• Examples of screw compressor brands...read more

Transformers are electrical devices that transfer energy between two or more circuits through electromagnetic induction.

• Transformers consist of primary and secondary coils of wire wrapped around a core

• They can step up or step down voltage levels

• Common examples include power transformers used in electrical substations