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Aarti Industries

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10+ Bajaj Reinforcement Llp Interview Questions and Answers

Updated 21 Jun 2024
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Q1. What is polar and non polar slovent?

Ans.

Polar solvents have a positive and negative end, while nonpolar solvents have no charge.

  • Polar solvents dissolve polar solutes and nonpolar solvents dissolve nonpolar solutes.

  • Water is a polar solvent, while oil is a nonpolar solvent.

  • Polarity is determined by the electronegativity difference between atoms in a molecule.

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Q2. Heat transfer, modes of heat transfer ?its examples?

Ans.

Heat transfer occurs in three modes: conduction, convection, and radiation.

  • Conduction is the transfer of heat through a material without any movement of the material itself.

  • Convection is the transfer of heat through the movement of fluids or gases.

  • Radiation is the transfer of heat through electromagnetic waves.

  • Examples of conduction include touching a hot stove or iron, while examples of convection include boiling water or wind blowing over a hot surface.

  • Examples of radiation...read more

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Q3. How the DG work during power failure?

Ans.

DG works as a backup power source during power failure.

  • DG stands for Diesel Generator.

  • It automatically starts when there is a power failure.

  • It provides power to essential equipment and systems.

  • It requires regular maintenance and fuel supply.

  • Examples of essential systems powered by DG are elevators, emergency lights, and fire alarms.

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Q4. What is difference between ahu &hvac

Ans.

AHU is a part of HVAC system. AHU is a device that circulates air while HVAC is a system that controls temperature, humidity and air quality.

  • AHU stands for Air Handling Unit

  • AHU is a part of HVAC system

  • AHU circulates air while HVAC controls temperature, humidity and air quality

  • HVAC stands for Heating, Ventilation and Air Conditioning

  • HVAC is a system that provides thermal comfort and acceptable indoor air quality

  • Examples of HVAC systems include central heating, air conditioning...read more

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Q5. What is fire extinguisher.its classes

Ans.

A fire extinguisher is a device used to control or extinguish small fires. There are different classes of fire extinguishers for different types of fires.

  • Fire extinguishers are classified based on the type of fire they can extinguish.

  • Class A fire extinguishers are used for fires involving ordinary combustibles like wood, paper, or cloth.

  • Class B fire extinguishers are used for fires involving flammable liquids like gasoline or oil.

  • Class C fire extinguishers are used for fires ...read more

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Q6. What is centrifugal force?

Ans.

Centrifugal force is the apparent force that acts outward on a body moving around a center, arising from the body's inertia.

  • Centrifugal force is not a real force, but rather a perceived force.

  • It is the result of an object's inertia trying to keep it moving in a straight line while it is being forced to move in a circular path.

  • Examples include the feeling of being pushed to the side in a car when turning a corner, or the water being pushed to the sides of a spinning bucket.

  • Cen...read more

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Q7. Role of safety valve, rupture disc?

Ans.

Safety valves and rupture discs are important safety devices in production processes.

  • Safety valves are designed to release excess pressure in a system to prevent explosions or other hazardous situations.

  • Rupture discs are used as a backup to safety valves and are designed to burst at a predetermined pressure to release excess pressure.

  • Both safety valves and rupture discs are critical components in ensuring the safety of personnel and equipment in production processes.

  • Examples ...read more

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Q8. Material balance &energy balance equation

Ans.

Material balance and energy balance equations are used to track the flow of materials and energy in a system.

  • Material balance equation is based on the principle of conservation of mass.

  • Energy balance equation is based on the principle of conservation of energy.

  • Material balance equation: Input = Output + Accumulation

  • Energy balance equation: Input = Output + Storage + Losses

  • Example: In a chemical reactor, the material balance equation would track the flow of reactants and produ...read more

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Q9. How to handling chemicals

Ans.

Handling chemicals requires proper training, protective gear, and adherence to safety protocols.

  • Wear appropriate personal protective equipment (PPE) such as gloves, goggles, and lab coats

  • Store chemicals properly in designated areas with clear labeling

  • Follow safety protocols and procedures for handling, mixing, and disposing of chemicals

  • Be aware of the hazards associated with each chemical and take necessary precautions

  • Properly ventilate work areas to prevent inhalation of fum...read more

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Q10. How to batch charging

Ans.

Batch charging is the process of charging multiple devices at once.

  • Use a charging station with multiple ports

  • Ensure the charging station can handle the power requirements of all devices

  • Organize devices by type and charging needs

  • Set a schedule for charging to avoid overloading circuits

  • Consider using smart charging technology to optimize charging speed and efficiency

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Q11. Heat exchanger design

Ans.

Heat exchanger design involves selecting appropriate materials, determining heat transfer coefficients, and optimizing flow rates.

  • Consider the type of fluid being used and its properties

  • Choose materials that can withstand the temperature and pressure of the fluids

  • Calculate the heat transfer coefficients for each fluid

  • Optimize the flow rates to maximize heat transfer efficiency

  • Consider the overall size and cost of the heat exchanger

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Q12. What is msds

Ans.

MSDS stands for Material Safety Data Sheet.

  • MSDS provides information about the hazards of a chemical substance.

  • It includes information on the composition, physical and chemical properties, health and safety hazards, and emergency procedures.

  • MSDS is required by law for all hazardous chemicals used in the workplace.

  • It is important to read and understand the MSDS before using a chemical substance.

  • MSDS is often available online or from the manufacturer or supplier of the chemical...read more

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Q13. Dryer type?

Ans.

There are various types of dryers used in production, including rotary dryers, fluidized bed dryers, and spray dryers.

  • Rotary dryers use a rotating drum to dry materials.

  • Fluidized bed dryers use hot air to suspend and dry materials.

  • Spray dryers use a nozzle to spray liquid into a hot air stream, creating a fine powder.

  • Other types of dryers include freeze dryers, vacuum dryers, and paddle dryers.

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Q14. How to calculate npsh

Ans.

NPSH (Net Positive Suction Head) can be calculated by subtracting the vapor pressure of the liquid from the total suction head.

  • Calculate the total suction head (TSH) by adding the atmospheric pressure, the pressure head at the surface of the liquid, and the velocity head.

  • Determine the vapor pressure of the liquid at the operating temperature and pressure.

  • Subtract the vapor pressure from the total suction head to get the NPSH value.

  • NPSH = TSH - Vapor Pressure

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Q15. What is distillation

Ans.

Distillation is a process of separating components of a liquid mixture based on differences in boiling points.

  • Distillation involves heating the liquid mixture to create vapor, then cooling the vapor to condense it back into liquid form.

  • The components with lower boiling points will vaporize first and be collected, leaving behind components with higher boiling points.

  • Examples of distillation include the production of alcoholic beverages like whiskey and the purification of wate...read more

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Interview Process at Bajaj Reinforcement Llp

based on 3 interviews
1 Interview rounds
Technical Round
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