Manali Petrochemicals Graduate Apprenticeship Trainee Interview Questions and Answers

Q1. How centrifugal pump works
Ans. 
A centrifugal pump works by converting mechanical energy from a motor into kinetic energy in a fluid through the rotation of an impeller.
• The pump's motor spins an impeller, creating a centrifugal force that pushes the fluid towards the outer edges of the pump casing.

• As the fluid moves through the pump, it gains kinetic energy and pressure, which allows it to be discharged through the pump outlet.

• Centrifugal pumps are c...read more
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Q1. Tell me about yourself , what is your biggest strength, how should I consider you for this post
Ans. 
I am a motivated and dedicated individual with strong problem-solving skills and a passion for learning.
• Strong problem-solving skills

• Motivated and dedicated

• Passionate about learning

• Quick learner

• Excellent communication skills

• Team player
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Q1. What is mass transfer
Ans. 
Mass transfer is the movement of substances from one place to another due to a concentration gradient.
• Mass transfer involves the transfer of mass or substances, such as molecules or ions, from one phase to another.

• It occurs due to a difference in concentration or partial pressure between the two phases.

• Examples of mass transfer include the diffusion of gases in air, the movement of solutes in a liquid, and the evaporat...read more
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Q2. What are centrifugal pumps
Ans. 
Centrifugal pumps are devices that use centrifugal force to move fluids through a system.
• Centrifugal pumps are commonly used in industries such as oil and gas, water treatment, and chemical processing.

• They consist of an impeller that rotates to create centrifugal force, which pushes the fluid towards the pump outlet.

• The fluid enters the pump through the suction inlet and is accelerated by the impeller.

• The kinetic energ...read more
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Q3. What is vaccum distillation
Ans. 
Vaccum distillation is a process that separates liquids based on their boiling points under reduced pressure.
• Vaccum distillation is used to purify liquids with high boiling points or heat-sensitive compounds.

• It involves heating the liquid in a distillation flask under reduced pressure to lower its boiling point.

• The reduced pressure allows the liquid to vaporize at a lower temperature, preventing thermal degradation.

• The...read more
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Q4. What is ventury
Ans. 
A venturi is a device used to measure the flow rate of a fluid by creating a pressure difference.
• A venturi consists of a narrow throat section and wider inlet and outlet sections.

• As fluid flows through the venturi, its velocity increases in the narrow throat, causing a decrease in pressure.

• The pressure difference is measured and used to calculate the flow rate of the fluid.

• Venturis are commonly used in industries such ...read more
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General aptitude Questions and
Technical questions about chemical engineering

Q1. What is distillation How to calculate yield Tell about your project Project realated questions Heat transfer realated questions
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Q1. Self introduction Tell me about your background
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