Vedant Dyestuff & Intermediates Interview Questions and Answers

Parameters for installation of glass line reactor shaft include material compatibility, proper alignment, secure anchoring, and regular maintenance.

• Ensure the shaft material is compatible with the reactor contents to prevent corrosion or contamination.

• Properly align the shaft to prevent excessive wear and tear on the equipment.

• Securely anchor the shaft to prevent vibrations or misalignment during operation.

• Regularly in...read more

Centrifugal pumps, reciprocating pumps, diaphragm pumps, etc.

• Worked with centrifugal pumps for water supply systems

• Experience with reciprocating pumps in industrial applications

• Familiar with diaphragm pumps for chemical dosing processes

Maintenance in centrifuge includes cleaning, lubricating, inspecting parts, and calibrating.

• Regularly clean the centrifuge to remove any debris or residue

• Lubricate moving parts to ensure smooth operation

• Inspect components such as the rotor, lid, and motor for any signs of wear or damage

• Calibrate the centrifuge to ensure accurate results

• Perform routine maintenance tasks according to manufacturer's guidelines

Some problems faced in ANF include equipment breakdowns, maintenance challenges, and budget constraints.

• Equipment breakdowns can lead to delays in projects and increased costs for repairs.

• Maintenance challenges can arise due to the complexity of machinery and the need for specialized skills.

• Budget constraints may limit the ability to invest in new equipment or technology upgrades.

• Lack of skilled manpower can also be a

Parameters to check for low vacuum in steam jet ejector include steam flow rate, steam pressure, condenser pressure, and air leakage.

• Check steam flow rate to ensure it is sufficient for proper operation

• Monitor steam pressure to ensure it is at the required level

• Check condenser pressure to ensure it is within the acceptable range

• Inspect for air leakage in the system, which can cause a decrease in vacuum efficiency

Blasting profiles depend on surface condition, primer coat timing varies, and preparation involves cleaning and inspection.

• Blasting profiles are determined by the surface condition of the pipes and structures.

• Primer coat painting should be done within a few hours after blasting to prevent rust formation.

• Before blasting, pipes and structures need to be cleaned thoroughly to remove any dirt, grease, or old paint.

• Inspecti...read more

YES, paint on human body can be removed by thinner.

• Thinner can dissolve paint and make it easier to remove from the skin.

• Thinner should be used carefully on the skin to avoid irritation or damage.

• Examples of thinners that can be used to remove paint from skin include acetone, mineral spirits, or rubbing alcohol.

Types of dryers include tray dryers, rotary dryers, fluidized bed dryers. Heat and mass transfer are analogous processes. Multi effect evaporator uses multiple stages to efficiently evaporate liquids.

• Types of dryers: tray dryers, rotary dryers, fluidized bed dryers

• Heat and mass transfer are analogous in that both involve the movement of energy or particles from one place to another

• Multi effect evaporator uses multiple ...read more