Deccan Fine Chemicals Production Graduate Engineer Trainee Interview Questions and Answers

Q1. Questions about protection of power system
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Q2. Questions about electrical machines
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Q1. 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 maintena...read more
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Q2. Metering and protection
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Its consist of general questions like maths reasoning

Q1. Questions is related to your field in which you pursue your graduation
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Q1. They ask about yourself
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Q1. This is the final round They ask about your field of graduation So be prepared. What you learn in your time of graduation Questions are simple Just search on google Most of the questions you will found i...read more
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Q1. What are the various types of pumps
Ans. 
Various types of pumps include centrifugal, positive displacement, axial flow, and jet pumps.
• Centrifugal pumps use a rotating impeller to create a flow of fluid.

• Positive displacement pumps move fluid by trapping a fixed amount and forcing it through the discharge port.

• Axial flow pumps move fluid parallel to the pump shaft.

• Jet pumps use a combination of pressure and suction to move fluid.

• Other types of pumps include gea
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Q2. What is the least count of varnier caliper
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The least count of vernier caliper is the smallest measurement that can be read on the scale.
• The least count is determined by the number of divisions on the vernier scale and the main scale.

• It is usually 0.1 mm or 0.02 mm for metric vernier calipers and 0.001 inch for imperial vernier calipers.

• To determine the least count, subtract the value of one main scale division from the value of one vernier scale division.

• For ex...read more
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Q3. Why is micrometre scree gauge is used instead of varnier caliper
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Micrometer screw gauge is used for higher precision measurements than vernier caliper.
• Micrometer screw gauge has a higher accuracy of measurement than vernier caliper.

• Micrometer screw gauge has a smaller least count than vernier caliper.

• Micrometer screw gauge is used for measuring thickness, diameter, and depth of objects with high precision.

• Vernier caliper is used for measuring length, width, and height of objects wit
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Q4. What kind of difficulties have you faced in your internship and how you have solved it
Ans. 
During my internship, I faced difficulties in adapting to new software tools and collaborating with team members.
• Adapting to new software tools: I had limited experience with certain software tools that were used in the internship. However, I took the initiative to learn them by attending online tutorials, seeking guidance from colleagues, and practicing on my own.

• Collaborating with team members: Initially, I found it ...read more
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Q5. What is the difference between blower and compressor
Ans. 
Blower is used to move air or gas while compressor is used to compress air or gas.
• Blower is used to create a high flow of air or gas at low pressure.

• Compressor is used to compress air or gas to a higher pressure.

• Blowers are used in HVAC systems, while compressors are used in refrigeration systems.

• Blowers are used in industrial applications to move large volumes of air or gas.

• Compressors are used in pneumatic tools like
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Q6. Related to intership questions
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Q7. Types of mechanical joints and processes
Ans. 
Mechanical joints are used to connect two or more mechanical parts together. There are various types of joints and processes.
• Welding joints - fusion welding, resistance welding, friction welding

• Brazing joints - torch brazing, furnace brazing, induction brazing

• Soldering joints - soft soldering, hard soldering

• Mechanical joints - bolted joints, riveted joints, snap-fit joints

• Adhesive joints - structural adhesive, pressure...read more
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Q1. What are your salary expectations?
Ans. 
I would expect a competitive salary that reflects my qualifications and the responsibilities of the role.
• Research the average salary range for Graduate Engineer Trainees in your industry and location.

• Consider your level of experience, education, and any additional skills or certifications you bring to the role.

• Take into account the responsibilities and expectations outlined in the job description.

• Be prepared to negotia...read more
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Q2. What is your family background?
Ans. 
My family background is diverse and supportive.
• My parents are both professionals in different fields.

• I have two siblings, one older and one younger.

• We come from a middle-class background and value education.

• My family has always been supportive of my career choices.

• We have a close-knit extended family and often gather for celebrations.
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Q3. Share details of your previous job.
Ans. 
I worked as a Junior Engineer at XYZ Company.
• Assisted senior engineers in designing and implementing projects

• Conducted research and analysis to support engineering decisions

• Collaborated with cross-functional teams to ensure project success

• Prepared technical reports and documentation

• Participated in on-site inspections and troubleshooting
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Q4. Why are you looking for a change?
Ans. 
Seeking new opportunities for professional growth and development.
• Looking for a more challenging role

• Want to broaden my skill set

• Seeking better career prospects

• Interested in working with a different industry or technology

• Want to work in a more collaborative and innovative environment
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Q5. Tell me about yourself.
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I am a recent graduate with a degree in engineering, seeking a position as a Graduate Engineer Trainee.
• Recent graduate with a degree in engineering

• Seeking a position as a Graduate Engineer Trainee

• Strong knowledge in [specific engineering field]

• Experience with [relevant software/tools]

• Completed internships at [company/organization]

• Excellent problem-solving and analytical skills
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Q1. What is scope of chemical engineering
Ans. 
The scope of chemical engineering is vast, encompassing various industries and applications.
• Chemical engineering involves the design, development, and operation of processes and systems that convert raw materials into useful products.

• It is applicable in industries such as pharmaceuticals, petrochemicals, food and beverage, energy, environmental engineering, and more.

• Chemical engineers work on improving efficiency, safe...read more
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Q2. What is distillation
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Distillation is a process of separating components of a liquid mixture based on their different boiling points.
• Distillation involves heating the mixture to vaporize the more volatile components.

• The vapor is then cooled and condensed back into liquid form, separating the components.

• The component with the lower boiling point will condense first and can be collected separately.

• Distillation is commonly used in industries s...read more
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Q3. Distillation refers to the selective boiling and subsequent condensation of a component in a liquid mixture. It is a separation technique that can be used to either increase the concentration of a particul...read more
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In the context of a liquid mixture, distillation refers to the selective boiling of a component and subsequent condensation of that component..
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Q4. Role of heat transfer
Ans. 
Heat transfer is the process of thermal energy transfer between objects or systems.
• Heat transfer is essential in various industrial processes, such as heating, cooling, and drying.

• It plays a crucial role in the design and operation of heat exchangers, boilers, and refrigeration systems.

• Heat transfer can occur through conduction, convection, and radiation.

• Conduction is the transfer of heat through direct contact between...read more
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Q5. Role of mass transfer
Ans. 
Mass transfer refers to the movement of substances from one place to another in a system.
• Mass transfer is important in various industrial processes such as distillation, absorption, and extraction.

• It involves the transfer of mass or molecules between phases, such as gas-liquid, liquid-liquid, or solid-liquid.

• Mass transfer can occur through various mechanisms including diffusion, convection, and interfacial mass transfe...read more
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Q1. What is the usage of current transformer and how it is used?
Ans. 
Current transformers are used to measure alternating current (AC) in high voltage circuits by stepping down the current to a lower value.
• Used to measure high currents in power systems

• Step down current to a safe level for measurement

• Provide isolation between high voltage circuits and measuring instruments

• Commonly used in energy meters, protective relays, and power quality monitoring systems
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Q2. Induction motor working and it's speed regulation
Ans. 
Induction motor works on the principle of electromagnetic induction to produce rotating magnetic field. Speed regulation is achieved by varying the supply frequency or voltage.
• Induction motor operates on the principle of electromagnetic induction

• It consists of a stator and a rotor

• Speed regulation can be achieved by varying the supply frequency or voltage

• Examples of speed control methods include VFD (Variable Frequency
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