J. Kumar Infraprojects Interview Questions and Answers

Preventive maintenance of a plant involves regular inspections, cleaning, and repairs to prevent breakdowns and ensure optimal performance.

• Create a maintenance schedule based on manufacturer recommendations and industry standards

• Inspect and clean equipment regularly to prevent buildup and corrosion

• Replace worn or damaged parts before they cause larger issues

• Train employees on proper maintenance procedures and safety protocols

• Keep detailed records of maintenance activities and...read more

ISO certified refers to a certification that a company or organization has met the standards set by the International Organization for Standardization.

• ISO stands for International Organization for Standardization

• ISO certification ensures that a company follows specific quality management practices

• It demonstrates that the company meets internationally recognized standards

• ISO certification can enhance credibility, improve customer satisfaction, and increase business opportuniti...read more

A centrifuge pump is a type of dynamic pump that uses centrifugal force to move fluids through a system.

• Centrifuge pumps are commonly used in industrial applications for transferring liquids.

• They are designed to handle a wide range of fluids, including corrosive and abrasive liquids.

• Centrifuge pumps work by converting rotational energy from a motor into kinetic energy in the fluid, which then creates pressure to move the fluid through the system.

• They are often used in wastewa...read more

Bitumen is a viscous, black, and sticky material used in road construction. Bitumen emulsion is a mixture of bitumen and water.

• Bitumen is a petroleum product used as a binder in road construction

• Bitumen emulsion is a mixture of bitumen and water used for surface treatments

• Amines are organic compounds used as emulsifiers in bitumen emulsions

• Viscosity is the measure of a fluid's resistance to flow

• Softening point is the temperature at which bitumen becomes soft and pliable

Bitumen is extracted from oil sands through mining or in-situ methods. It has two types - natural and petroleum bitumen.

• Bitumen is extracted from oil sands through mining or in-situ methods

• Natural bitumen is found in oil sands and is a thick, sticky form of petroleum

• Petroleum bitumen is a residue from the distillation of crude oil

• Petroleum bitumen is further classified into paving grade, industrial grade, and oxidized bitumen