Gujarat Alkalies & Chemicals Manager HRD Interview Questions and Answers

There are various types of pumps used for different applications, such as centrifugal pumps for water supply and positive displacement pumps for oil and gas industry.

• Centrifugal pumps are commonly used for water supply, irrigation, and HVAC systems.

• Positive displacement pumps are used in the oil and gas industry for transferring viscous fluids.

• Diaphragm pumps are suitable for pumping chemicals and pharmaceuticals.

• Peris...read more

Distillation is a process of separating components in a liquid mixture based on boiling points, while evaporation is a process of converting a liquid into vapor.

• Distillation involves heating a liquid mixture to separate components based on their boiling points.

• Evaporation involves converting a liquid into vapor by heating or exposing it to air.

• Distillation is used in industries to purify liquids like alcohol, while eva...read more

Cooling towers are used to remove heat from a building or industrial process by transferring it to the atmosphere.

• Cooling towers can be classified into two main types: natural draft and mechanical draft.

• Natural draft cooling towers use the stack effect to draw air through the tower, while mechanical draft cooling towers use fans to force air through the tower.

• Examples of cooling tower types include crossflow, counterfl

Heat exchangers are devices used to transfer heat between two or more fluids.

• There are several types of heat exchangers, including shell and tube, plate, and finned tube heat exchangers.

• Shell and tube heat exchangers are commonly used in industrial applications, while plate heat exchangers are more compact and efficient.

• Finned tube heat exchangers are often used in HVAC systems to increase heat transfer efficiency.

• The ...read more