Bharat Aluminium Company (BALCO) Post Graduate Trainee Interview Questions and Answers

Basic mathematics and english

Q1. About yourself and salary
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Q1. What is hyper seever
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Hyper Server is a high-performance server software that enables efficient data processing and communication.
• Hyper Server is designed to handle large volumes of data and perform complex computations.

• It provides fast and reliable communication between clients and servers.

• Hyper Server is commonly used in industries such as finance, telecommunications, and scientific research.

• Examples of Hyper Server implementations includ...read more
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Q2. Network-load-balancing
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Q3. Firewall configurations
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Q4. Active Directory Administration
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Q1. Salary expectations and notice period
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Q1. What is the name of furnace?
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The name of the furnace is typically based on its function or design, such as blast furnace, muffle furnace, or electric furnace.
• Furnaces can be named based on their heating method, such as electric, gas, or oil furnace

• Some furnaces are named after their specific function, like blast furnace used in metal smelting

• Others may be named after their design, such as muffle furnace used for controlled heating
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Q2. Flux percentage??
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What are the daily work and what is the reporting procedure?

Q1. What is expected salary
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Q2. How much man power you control in daily shift
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Basic Maths, Science & Gk

Indian economy - 10 min

Q1. Difference between vs Refrigeration
Ans. 
Air conditioning is the process of altering the properties of air to make it more comfortable, while refrigeration is the process of removing heat from a space or substance.
• Air conditioning is used to cool and dehumidify indoor air for comfort.

• Refrigeration is used to preserve food, medicine, and other perishable items.

• Air conditioning uses a refrigerant to absorb heat from indoor air and release it outside.

• Refrigerati...read more
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Q2. Thermodynamics cycle.
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Q3. Material properties and usage in the real world
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Material properties and usage are crucial in determining the performance and durability of products in the real world.
• Material properties such as strength, durability, and conductivity are important considerations in product design and development.

• Different materials have different properties and are suited for different applications. For example, steel is strong and durable, making it ideal for construction and manufa...read more
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Q4. Heat conduction vs Raidation
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Heat conduction is the transfer of heat through a material, while radiation is the transfer of heat through electromagnetic waves.
• Heat conduction occurs in solids and liquids, while radiation can occur in vacuum or through transparent media.

• Heat conduction is slower than radiation.

• Examples of heat conduction include touching a hot stove or holding a warm cup of coffee, while examples of radiation include feeling the wa...read more
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Q1. Are you willing to relocate
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Q2. What is ur Expected CTC
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My expected CTC is in line with industry standards and commensurate with my experience and skills.
• My expected CTC is based on my current salary, industry standards, and the responsibilities of the role.

• I have researched the market and have a realistic expectation for my salary.

• I am open to negotiation based on the overall compensation package.

• I am looking for a fair and competitive salary that reflects my experience an...read more
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Discussion about Industry vs agriculture

Q1. About Projects and pumps
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Q2. About Wagon tipper and mechanism
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Easy technical and aptitude questions. They follow examveda.

Peer pressure boon or bane

Q1. What is Bayer process
Ans. 
The Bayer process is a method for refining bauxite into alumina, which is the precursor to aluminum production.
• The Bayer process involves crushing and grinding bauxite ore, then mixing it with sodium hydroxide at high temperatures to dissolve the alumina content.

• The resulting solution is filtered to remove impurities, then cooled and seeded to promote the precipitation of pure alumina hydrate.

• The alumina hydrate is the...read more
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Q2. What, according to you, most important dimensionless number and why
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The most important dimensionless number is the Reynolds number, as it determines the flow regime of a fluid and is crucial in fluid dynamics.
• Reynolds number is used to predict flow patterns in different fluid flow situations

• It is defined as the ratio of inertial forces to viscous forces in a fluid flow

• Reynolds number helps in determining whether the flow is laminar, turbulent, or transitional

• It is widely used in engine...read more
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Q3. One equation that correlates HT and Fluid flow
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The equation that correlates HT and fluid flow is the Darcy-Weisbach equation.
• The Darcy-Weisbach equation relates the head loss due to friction in a pipe to the velocity and diameter of the pipe, as well as the friction factor.

• It is commonly used in fluid mechanics and hydraulic engineering to calculate pressure drop in pipes.

• The equation is expressed as: hL = f * (L/D) * (V^2/2g), where hL is the head loss, f is the f...read more
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Q4. Systems in thermodynamics
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Systems in thermodynamics refer to the specific region of space or a quantity of matter under study.
• A system can be open, closed, or isolated based on the exchange of matter and energy with its surroundings.

• Examples of systems include a gas in a container, a piston-cylinder assembly, or a steam turbine.

• Thermodynamic properties such as temperature, pressure, and volume are used to describe the state of a system.

• The firs...read more
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Q5. What is dry steam and wet steam
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Dry steam has low moisture content and high temperature, while wet steam has high moisture content and lower temperature.
• Dry steam is produced when water is heated to its boiling point and vaporizes without any liquid water droplets present.

• Wet steam contains water droplets suspended in the steam, resulting in a lower temperature compared to dry steam.

• Dry steam is commonly used in steam turbines for power generation, w...read more
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The aptitude test is conducted.

In a discussion on a specific topic, there is a group of five people present for the group discussion.

Q1. What is a transformer?
Ans. 
A transformer is an electrical device that transfers electrical energy between circuits through electromagnetic induction.
• Transforms voltage levels: Increases (step-up) or decreases (step-down) voltage.

• Used in power distribution: Essential for transmitting electricity over long distances.

• Consists of primary and secondary coils: Energy is transferred through magnetic fields.

• Example: A step-down transformer reduces 220V
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Q1. Past company details
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Q1. Furnace maintenance
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Q2. Hydraulic and pneumatic system
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Q1. PLC, HMI, sensor
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Q1. Motor, protection, relay
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