Indian Oil Corporation Engineer Trainee Interview Questions and Answers

Technical and aptitude of 150 marks

Group task elimination round

Q1. Tell me about yourself
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Q1. Final year project
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Q1. Introduction in deep
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Q2. Project related
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Q1. Subject related
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Q2. Units of mechanical Engineer
Ans. 
Units of mechanical engineering include force (Newton), pressure (Pascal), energy (Joule), power (Watt), and temperature (Kelvin).
• Force is measured in Newton (N)

• Pressure is measured in Pascal (Pa)

• Energy is measured in Joule (J)

• Power is measured in Watt (W)

• Temperature is measured in Kelvin (K)
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Q1. Tell me about your self introduced
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Aptitude, logical reasoning, and core competencies.

Q1. What can you share about the training and projects you have been involved in?
Ans. 
I have completed training in various engineering concepts and have worked on projects involving design, analysis, and implementation.
• Completed training in CAD software for designing mechanical components

• Worked on a project to optimize energy consumption in a manufacturing plant

• Implemented a new control system for a robotic arm in a research project
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Q2. What are shear force and bending moment diagrams?
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Shear force and bending moment diagrams are graphical representations of internal forces in a structural element.
• Shear force diagram shows the variation of shear force along the length of the beam.

• Bending moment diagram shows the variation of bending moment along the length of the beam.

• Shear force is the force that acts parallel to the cross-section of the beam, while bending moment is the moment that causes bending of...read more
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Q3. Building materials m20,m30
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Q4. Tests of bricks,cement
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Tests of bricks and cement are essential for ensuring quality and durability in construction projects.
• Bricks can be tested for compressive strength, water absorption, efflorescence, and dimensions.

• Cement can be tested for fineness, setting time, compressive strength, and soundness.

• Various standard tests like compressive strength test, water absorption test, and soundness test are conducted to assess the quality of bric...read more
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Q5. Rcc basics ,cover,stiriups and other basics of civil
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Q1. How does pressure effects the Distillation coloumn?
Ans. 
Pressure affects the distillation column by altering the boiling points of the components being separated.
• Higher pressure increases the boiling points of the components, making it harder to separate them.

• Lower pressure decreases the boiling points of the components, making it easier to separate them.

• Pressure changes can also affect the flow rate and efficiency of the column.

• For example, in a vacuum distillation column,...read more
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Q2. What is entropy? How does it depends on Temperatures?
Ans. 
Entropy is a measure of disorder or randomness in a system. It increases with temperature.
• Entropy is a thermodynamic property that measures the degree of disorder or randomness in a system.

• It is denoted by the symbol S and has units of joules per kelvin.

• Entropy increases with temperature because as temperature increases, the number of available microstates in a system increases, leading to greater disorder.

• For example,...read more
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Q1. Pumps ,heat exchanger
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Q2. Distillation,fluidisation
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Aptitude + core questions

Q1. Mass transfer, pump, heat ransfer
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