Agni Power & Electronics Interview Questions and Answers

Q1. General Questions ❓
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Q2. Your basic knowledge testing.
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Q1. General question
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Q2. Work Experience
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Q1. General round question
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Q2. Experience and expectation
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Q3. General communication
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Q1. Salary negotiation
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Q1. Tell me how you evaluate your department performance
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Q1. Technical drawing
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Q1. The interview was technical round.
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Q1. How long you stay with us.
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Q1. What is centrifugal pump?
Ans. 
A centrifugal pump is a mechanical device used to transport fluids by converting rotational kinetic energy into hydrodynamic energy.
• Centrifugal pumps are commonly used in various industries, including oil and gas, water treatment, and HVAC systems.

• They work by using an impeller to rotate and create a centrifugal force, which pushes the fluid towards the pump outlet.

• The fluid enters the pump through the suction inlet an...read more
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Q2. How many types of valve? What are they?
Ans. 
There are several types of valves used in mechanical systems.
• Gate valve: used to control the flow of fluid by lifting or lowering a gate

• Ball valve: uses a ball to control the flow of fluid

• Butterfly valve: uses a disc to control the flow of fluid

• Check valve: allows fluid to flow in one direction only

• Globe valve: controls flow by raising or lowering a plug

• Needle valve: uses a long, tapered needle to control flow

• Diaphragm...read more
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Q3. Write about ball valve?
Ans. 
A ball valve is a type of valve that uses a ball-shaped disc to control the flow of fluid through a pipe.
• Ball valves are commonly used in industrial applications for their durability and reliability.

• They have a simple design, consisting of a ball with a hole in the middle that can be rotated to control the flow of fluid.

• Ball valves can be either full port or reduced port, depending on the size of the ball and the hole.

• ...read more
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Q4. What is shell and tube heat exchanger?
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A shell and tube heat exchanger is a device used to transfer heat between two fluids.
• Consists of a shell (outer vessel) and tubes (inner vessels)

• One fluid flows through the tubes while the other flows around the tubes in the shell

• Heat is transferred from one fluid to the other through the tube walls

• Commonly used in industries such as power generation, chemical processing, and HVAC

• Example: Cooling water in a power plant
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Q5. How many types of heat exchanger? What are they?
Ans. 
There are several types of heat exchangers, including shell and tube, plate and frame, and finned tube.
• Shell and tube heat exchangers are the most common type and consist of a shell with tubes inside.

• Plate and frame heat exchangers use thin plates to transfer heat between fluids.

• Finned tube heat exchangers have tubes with fins attached to increase surface area for heat transfer.

• Other types include spiral, double pipe, ...read more
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Q6. What is that full form of PPE?
Ans. 
PPE stands for Personal Protective Equipment.
• PPE is equipment worn to minimize exposure to hazards that may cause serious workplace injuries or illnesses.

• Examples of PPE include safety glasses, gloves, hard hats, respirators, and safety shoes.

• PPE should be selected based on the specific hazards present in the workplace.

• Employers are responsible for providing PPE to their employees and ensuring that it is properly maint...read more
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Q7. What is axial flow pump?
Ans. 
An axial flow pump is a type of pump that uses an impeller to create fluid flow parallel to the pump shaft.
• Axial flow pumps are commonly used in applications where large volumes of fluid need to be moved at low to medium pressures.

• They are often used in irrigation systems, drainage systems, and cooling systems.

• The impeller of an axial flow pump has blades that resemble a propeller, which helps in generating the axial f...read more
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Q8. Write about check valve?
Ans. 
A check valve is a mechanical device that allows fluid to flow in one direction only.
• Check valves are commonly used in plumbing systems to prevent backflow of water.

• They are also used in hydraulic systems to prevent reverse flow of fluid.

• Check valves can be classified into different types such as swing check valves, lift check valves, and ball check valves.

• These valves work by using a disc or a ball that opens and clos...read more
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Q9. Shortly explain about positive displacement pump?
Ans. 
Positive displacement pump is a type of pump that moves fluid by trapping a fixed amount of it and then forcing it into the discharge pipe.
• Positive displacement pumps operate by trapping a specific volume of fluid and then forcing it into the discharge pipe.

• These pumps are capable of generating high pressures and are used in various industries such as oil and gas, chemical, and food processing.

• Examples of positive disp...read more
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Q10. What is globe valve?
Ans. 
A globe valve is a type of valve used to regulate or stop the flow of fluid in a pipeline.
• It has a spherical body with an internal baffle that directs the flow of fluid.

• The valve can be opened or closed by rotating the stem.

• It provides a tight seal when closed, preventing leakage.

• Globe valves are commonly used in applications where throttling or regulating flow is required.

• They are often found in water systems, steam s
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Q11. What is PPE ? Give it explain?
Ans. 
PPE stands for Personal Protective Equipment. It refers to protective clothing, helmets, goggles, or other equipment designed to protect the wearer's body from injury or infection.
• PPE is used in various industries to protect workers from hazards.

• Examples of PPE include safety glasses, gloves, hard hats, respirators, and earplugs.

• PPE should be selected based on the specific hazards present in the workplace.

• Proper traini...read more
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Study and be comfortable with general software engineering interview topics like data structure and algorithms as these will probably come up. being knowledgeable about general computer science and technology topics is valuable.

Q1. What advice would you give to someone preparing for a coding test at Box?
Ans. 
Prepare for a coding test at Box with these helpful tips.
• Familiarize yourself with the programming languages and frameworks commonly used at Box, such as Java, Python, and JavaScript.

• Review data structures and algorithms, as they are often tested in coding interviews.

• Practice solving coding problems on platforms like LeetCode or HackerRank to improve your problem-solving skills.

• Research Box's engineering culture and va...read more
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Q1. Optimum diameter of pump
Ans. 
The optimum diameter of a pump depends on various factors such as flow rate, head, viscosity, and efficiency.
• The diameter should be selected based on the required flow rate and head of the system.

• Higher viscosity fluids require larger diameter pumps to reduce frictional losses.

• Efficiency of the pump increases with larger diameter impellers.

• The diameter should also be selected based on the available space and cost const...read more
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Q2. Stream balance inside dist column
Ans. 
Stream balance inside distillation column is crucial for efficient separation of components.
• Stream balance refers to the equal distribution of feed and product streams across the column.

• Imbalance can lead to poor separation efficiency, flooding, or tray damage.

• Factors affecting stream balance include tray design, liquid and vapor flow rates, and column diameter.

• Techniques such as tray hydraulics and computational fluid...read more
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Q3. Design of distillation column for binary mixtures
Ans. 
Designing a distillation column for binary mixtures involves determining the number of trays, feed location, and reflux ratio.
• Determine the boiling points of the components

• Calculate the minimum reflux ratio

• Choose the number of trays based on the desired separation

• Determine the feed location based on the composition of the feed

• Design the reboiler and condenser

• Consider the pressure drop across the column
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Q4. Why you want to leave present organization?
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