Deepak Phenolics Apprenticeship Trainee Interview Questions and Answers

Technical for 1 hour

Q1. Bernoulli's equation and its interpretation.
Ans. 
Bernoulli's equation relates the pressure, velocity, and elevation of a fluid in a steady flow.
• Describes the conservation of energy in a fluid flow system

• Equation: P + 0.5 * rho * v^2 + rho * g * h = constant

• Pressure, velocity, and elevation terms are related in the equation

• Used in various engineering applications such as fluid dynamics and aerodynamics
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Q1. Basics of instrumentation, control system, field instrumentation, job role
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Q1. Overall plant proceess, job role, manpower handling and budget
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Q1. Family background and reason for chamge
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Q1. What Is GMAW ?
Ans. 
GMAW stands for Gas Metal Arc Welding, a welding process that uses a continuous solid wire electrode and shielding gas to create a weld.
• Uses a continuous solid wire electrode

• Requires a shielding gas to protect the weld from atmospheric contamination

• Commonly used in industries like automotive, construction, and manufacturing
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Q2. What are different between MIG & MAG ?
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MIG stands for Metal Inert Gas welding, while MAG stands for Metal Active Gas welding. The main difference lies in the type of shielding gas used.
• MIG welding uses inert gases like argon or helium to shield the weld pool from atmospheric contamination, while MAG welding uses active gases like carbon dioxide or a mixture of gases.

• MIG welding is typically used for non-ferrous metals like aluminum, while MAG welding is mor...read more
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Q3. What is WPS Procee ?
Ans. 
WPS Procee is a welding procedure specification that outlines the details of a specific welding process.
• WPS Procee includes information such as welding materials, welding parameters, preheat and post-weld heat treatment requirements.

• It is essential for ensuring consistency and quality in welding operations.

• WPS Procee is often required in industries such as construction, manufacturing, and oil & gas.

• Example: A WPS Proce...read more
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Q4. What is PQR Process ?
Ans. 
PQR Process is a procedure used in welding to qualify the welding procedure specification.
• PQR stands for Procedure Qualification Record.

• It involves testing and documenting the variables used during the welding process.

• The purpose is to ensure that the welding procedure will produce the desired quality of welds.

• PQR Process is essential for ensuring the integrity and strength of welded joints.

• Examples of variables tested...read more
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Q1. Tell about yourself.
Ans. 
Experienced Senior Engineer with a strong background in software development and project management.
• Over 10 years of experience in software engineering

• Proficient in multiple programming languages such as Java, Python, and C++

• Led successful projects from conception to completion, resulting in increased efficiency and cost savings

• Strong problem-solving skills and ability to work well in a team environment
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Q2. Why you want to switch your job .
Ans. 
Seeking new challenges and opportunities for growth.
• Looking for a new environment to learn and develop new skills.

• Interested in working on different projects to broaden my experience.

• Seeking a company with better career advancement opportunities.

• Want to explore new technologies and methodologies in the industry.
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Q1. What is your family background?
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Q2. Tell me about yourself.
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Q1. Previous company work related
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Q1. Types of material of reactor
Ans. 
Reactors can be made of various materials depending on the application and requirements.
• Common materials include stainless steel, carbon steel, and titanium.

• Reactor linings can be made of glass, ceramic, or polymer materials.

• Materials must be chosen based on factors such as temperature, pressure, and chemical compatibility.

• Reactor materials must also be able to withstand corrosion and erosion over time.

• Materials used i...read more
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Q2. Remove to change reactor new sheel
Ans. 
The question is unclear and lacks context.
• Please provide more information about the reactor and the new shell.

• What is the reason for removing the old shell?

• What tools and equipment are required for the job?

• What safety precautions need to be taken?

• Are there any specific procedures or guidelines to follow?

• Consult with experts and refer to manuals before attempting the task.
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Q3. Types of vessels entry
Ans. 
There are three types of vessels entry: Confined Space Entry, Hot Work Entry, and Cold Work Entry.
• Confined Space Entry involves entering a space that is enclosed and has limited access points.

• Hot Work Entry involves entering a space where welding, cutting, or other heat-producing activities are being performed.

• Cold Work Entry involves entering a space where maintenance or repair work is being done that does not involve...read more
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Q4. Types of blowers and full form of pm
Ans. 
Blowers can be classified into centrifugal, positive displacement, and regenerative types. PM stands for Preventive Maintenance.
• Centrifugal blowers use centrifugal force to increase air pressure

• Positive displacement blowers use a mechanical means to trap and transport air

• Regenerative blowers use a rotating impeller to create air flow

• PM is a maintenance strategy that involves regular inspections and repairs to prevent e
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Q5. Types of empelr and no oil
Ans. 
Empelr and no oil are not common terms in maintenance engineering. Please provide more context.
• Please provide more information or context for the terms empelr and no oil.

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

• It is possible that these terms are specific to a certain industry or company.

• Please clarify the question so that a proper answer can be given.
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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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