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10+ PI Industries Graduate Engineer Trainee (Get) Interview Questions and Answers

Updated 5 Feb 2024

Q1. What is Bernoulli's theorem draw and explain the importance in industries? What are it's limitations?

Ans.

Bernoulli's theorem explains the relationship between fluid speed and pressure.

  • Bernoulli's theorem states that as the speed of a fluid increases, its pressure decreases.

  • It is important in industries such as aviation, where it is used to design wings and airfoils.

  • It is also used in the design of pipelines and pumps.

  • Limitations include the assumption of incompressible and non-viscous fluids, and the neglect of friction and turbulence.

  • Bernoulli's equation can be used to calculat...read more

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Q2. If pumps are connected in series and in parellel, what changes you can see?

Ans.

Connecting pumps in series increases head while connecting in parallel increases flow rate.

  • Connecting pumps in series increases the total head of the system while connecting in parallel increases the total flow rate.

  • In series connection, the discharge remains the same while the head increases.

  • In parallel connection, the head remains the same while the discharge increases.

  • Series connection is used when high head is required while parallel connection is used when high flow rate...read more

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Q3. What happens if a shutoff valve is closed and pump is running dry?

Ans.

Closing a shutoff valve while the pump is running dry can cause damage to the pump and other components.

  • The pump will continue to run but without any fluid to circulate, causing it to overheat and potentially seize.

  • The lack of fluid can also cause damage to the impeller and other internal components.

  • The pressure in the system can also increase, leading to potential leaks or bursts in the pipeline.

  • It is important to ensure that the pump is properly primed before starting it up...read more

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Q4. What happens if the shutoff valve is closed while pumping in centrifugal pump?

Ans.

Closing the shutoff valve while pumping in a centrifugal pump can cause damage to the pump and the piping system.

  • The pump will continue to generate pressure, leading to a buildup of pressure in the piping system.

  • This can cause the pump to overheat and potentially damage the impeller.

  • The piping system may also experience damage due to the increased pressure.

  • It is important to ensure that the shutoff valve is only closed when the pump is not in operation.

  • If the valve needs to b...read more

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Q5. Tell me some product names of PI industries?

Ans.

PI Industries is a leading agrochemical company in India that manufactures and supplies a wide range of products.

  • Nominee Gold

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Q6. Waht is difference in pump and compressor?

Ans.

Pump is used to transfer fluids from one place to another while compressor is used to compress gases.

  • Pump is used to move fluids like water, oil, etc. from one place to another.

  • Compressor is used to compress gases like air, refrigerant, etc.

  • Pumps are used in industries, households, and agriculture while compressors are used in refrigeration, air conditioning, and gas pipelines.

  • Pumps have a lower pressure ratio while compressors have a higher pressure ratio.

  • Pumps have a lower ...read more

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Q7. Write down the dimensions of Power, energy, force and acceleration.

Ans.

Dimensions of power, energy, force and acceleration.

  • Power is measured in watts (W) and is the rate at which work is done.

  • Energy is measured in joules (J) and is the capacity to do work.

  • Force is measured in newtons (N) and is the push or pull on an object.

  • Acceleration is measured in meters per second squared (m/s^2) and is the rate of change of velocity.

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Q8. Do you know about valves?

Ans.

Valves are mechanical devices used to control the flow of fluids or gases.

  • Valves are used in various industries such as oil and gas, water treatment, and chemical processing.

  • They can be classified into different types such as gate valves, ball valves, and butterfly valves.

  • Valves can be operated manually or automatically using actuators.

  • They play a crucial role in maintaining the safety and efficiency of industrial processes.

  • Examples of valve applications include regulating th...read more

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Q9. What is herbicide ?

Ans.

Herbicide is a type of pesticide used to kill unwanted plants.

  • Herbicides are chemicals that are used to control or kill unwanted plants.

  • They are commonly used in agriculture to prevent weeds from competing with crops.

  • Some herbicides are selective, meaning they only target specific types of plants, while others are non-selective and will kill any plant they come into contact with.

  • Examples of herbicides include glyphosate, atrazine, and 2,4-D.

  • Herbicides can have negative effect...read more

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Q10. Explain the types ?

Ans.

Types of what? Please provide more context.

  • Please provide more context for the question.

  • Without context, it is impossible to provide a meaningful answer.

  • Types can refer to many different things, such as types of engineering, types of materials, types of software, etc.

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Q11. Transformer and it's protection

Ans.

Transformer protection is essential to prevent damage and ensure reliable operation.

  • Types of protection include overcurrent, overvoltage, differential, and thermal protection.

  • Relays are used to detect faults and initiate protective actions.

  • Buchholz relay is used for detecting internal faults in oil-filled transformers.

  • Pressure relief devices are installed to prevent explosion in case of internal faults.

  • Regular maintenance and testing of protection systems are crucial to ensur...read more

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