Praj Industries Process Engineer-Plant Design Interview Questions and Answers

SF6 gas is used in circuit breakers due to its excellent electrical insulation properties and high dielectric strength.

• SF6 gas has high dielectric strength, making it an effective insulator in high voltage applications.

• It has excellent arc-quenching properties, allowing it to quickly extinguish electrical arcs.

• SF6 gas is chemically stable and non-toxic, making it safe for use in circuit breakers.

• It has a high thermal c...read more

Substations use various protections to ensure safety and reliability of power supply.

• Overcurrent protection

• Ground fault protection

• Transformer protection

• Surge protection

• Circuit breaker

• Relay protection

• Isolation switches

• Lightning arresters

• Fire protection

• Security measures

Pumps and boilers are essential equipment in various industries. Pumps are used to transfer fluids, while boilers generate steam.

• Pumps are devices that move fluids by mechanical action.

• There are different types of pumps, such as centrifugal pumps, reciprocating pumps, and rotary pumps.

• Centrifugal pumps are commonly used in water supply systems and HVAC applications.

• Reciprocating pumps are used in high-pressure applicat...read more

AHU stands for Air Handling Unit. It is a device used to regulate and circulate air as part of a heating, ventilation, and air conditioning (HVAC) system.

• AHU is responsible for conditioning and distributing air within a building.

• It consists of components like fans, filters, heating and cooling coils, dampers, and controls.

• The fans in AHU draw in outside air, filter it, and then distribute it to various areas of the bui...read more

There are several types of boilers used in various industries and applications.

• There are four main types of boilers: fire-tube, water-tube, electric, and biomass.

• Fire-tube boilers are commonly used in steam locomotives and industrial plants.

• Water-tube boilers are used in power stations and large industrial settings.

• Electric boilers are used for heating purposes in residential and commercial buildings.

• Biomass boilers us...read more

I am highly motivated, have relevant experience, and possess strong skills that make me a valuable asset to your team.

• I have a proven track record of success in similar roles.

• I am a quick learner and can adapt to new environments and tasks easily.

• I have excellent communication and interpersonal skills.

• I am highly organized and detail-oriented, ensuring accuracy and efficiency in my work.

• I am a team player and can colla...read more

Inventory Management reports in SAP BW provide end-to-end visibility of inventory levels and movements.

• Inventory Management reports in SAP BW help track inventory levels and movements across the supply chain.

• These reports provide real-time data on stock levels, goods receipts, and goods issues.

• They also help identify slow-moving or obsolete inventory, and optimize inventory levels to reduce costs.

• Examples of inventory ...read more