Bharat Rasayan Interview Questions, Process, and Tips

Q1. What are the different types of reactors and their respective thicknesses?
Ans. 
Reactors vary in type and thickness based on their application, including pressure vessels and chemical reactors.
• 1. **Batch Reactors**: Typically have wall thicknesses ranging from 1/4" to 1/2" depending on pressure and material.

• 2. **Continuous Stirred Tank Reactors (CSTR)**: Wall thickness can be around 1/4" to 3/8", designed for constant operation.

• 3. **Plug Flow Reactors (PFR)**: Thickness varies, often around 1/4" t...read more
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Q2. What are the types of alignment in a reactor?
Ans. 
Alignment in a reactor ensures optimal performance and safety, involving various techniques to maintain equipment precision.
• 1. Mechanical Alignment: Ensures that rotating equipment like pumps and turbines are aligned to reduce wear and vibration.

• 2. Thermal Alignment: Accounts for thermal expansion of components during operation, ensuring they remain aligned under varying temperatures.

• 3. Optical Alignment: Uses laser te...read more
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Q3. Type of heat exchanger and type of vaccum pump
Ans. 
Heat exchangers transfer heat between fluids; vacuum pumps remove air/gases to create a vacuum.
• Types of heat exchangers include: - Shell and tube: Used in power plants and refineries. - Plate: Common in food processing and HVAC systems. - Air-cooled: Used in refrigeration and air conditioning.

• Types of vacuum pumps include: - Rotary vane: Common in laboratories and industrial applications. - Diaphragm: Used in me...read more
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Q1. Sallery realated discussion
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Q2. Working policy in our company
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Q1. Transformers in breathe use
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Q2. Vcb name plate details
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Salary discuss, Policy

Q1. Types of reactors,pumps, Heat Exchanger
Ans. 
Types of reactors include batch, continuous, and semi-batch. Common pumps include centrifugal, positive displacement, and diaphragm. Heat exchangers include shell and tube, plate, and double pipe.
• Types of reactors: batch, continuous, semi-batch

• Common pumps: centrifugal, positive displacement, diaphragm

• Heat exchangers: shell and tube, plate, double pipe
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Q2. Hydrocarbon related
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Q1. Which type of unit process was saw at internship?
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Q2. What is Reynolds number? How it is use?
Ans. 
Reynolds number is a dimensionless quantity used in fluid mechanics to predict flow patterns in different fluid flow situations.
• Reynolds number is calculated as the ratio of inertial forces to viscous forces in a fluid flow system.

• It helps determine whether the flow is laminar (smooth and orderly) or turbulent (chaotic and unpredictable).

• Reynolds number is used in various engineering applications such as designing pipe...read more
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Q1. Technical field questions like Heat Exchanger types of pumps Moc based Reactors Types of cooling Tower and safety for Equipment and parameters of temperature pressure and flow
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Q2. Difference b/w heat exchanger and condenser, thermal sock parameters of temperature pressure and flow
Ans. 
Heat exchangers transfer heat between two fluids without mixing them, while condensers convert vapor into liquid by removing heat.
• Heat exchangers transfer heat between two fluids without mixing them

• Condensers convert vapor into liquid by removing heat

• Thermal sock parameters include temperature, pressure, and flow rates

• Temperature is the measure of the average kinetic energy of particles in a substance

• Pressure is the fo...read more
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Q1. Only for group discussion
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Q2. Production relative questions
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Q3. Same proceed 8n department
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Q1. What are our previous experience and problem solving skills
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Analytical skills and communication skills