Bechtel Production Graduate Engineer Trainee Interview Questions and Answers

Q1. I want to know about the company
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Q2. Stress related content
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Q3. Piping layout related content
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Renewable resources speak atleast 20 minutes

It was easy and moderate

Q1. It was moderat and easy
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Q2. About basics of civil engineering and structural engineering
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1.5 Hrs Quantitative Aptitude, Logical and Technical

Q1. Stress Strain Diagram
Ans. 
Stress strain diagram shows the relationship between stress and strain in a material under tension.
• Shows how a material deforms under stress

• Yield point is where material starts to deform permanently

• Ultimate tensile strength is maximum stress material can withstand

• Failure point is where material breaks

• Different materials have different stress strain curves
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Q2. Creep vs Fatigue
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Creep is the slow, time-dependent deformation of a material under constant load, while fatigue is the weakening of a material due to repeated loading and unloading.
• Creep is a time-dependent phenomenon, while fatigue is a cyclic phenomenon.

• Creep occurs at elevated temperatures, while fatigue can occur at any temperature.

• Creep leads to permanent deformation, while fatigue can lead to crack initiation and propagation.

• Exam...read more
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Q1. Family Background Where you see yourself in next 5 yrs.
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Basic Aptitude Questions Reasoning & Verbal Ability

How is culture at IT Industries

Q1. What are the tensile forces acts on material
Ans. 
Tensile forces are forces that stretch or pull materials apart.
• Tensile forces act in the opposite direction of compressive forces

• Examples of tensile forces include stretching a rubber band or pulling on a rope

• Tensile strength is a measure of a material's ability to withstand tensile forces
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Q2. Write all formulas you know of Fluid Mechanics
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Formulas in Fluid Mechanics
• Bernoulli's equation: P + 0.5ρv^2 + ρgh = constant

• Continuity equation: A1v1 = A2v2

• Navier-Stokes equation: ρ(∂v/∂t + v∇v) = -∇P + μ∇^2v + ρg

• Ideal gas law: PV = nRT

• Poiseuille's Law: Q = πr^4(ΔP)/(8ηL)
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Q3. Laws of thermodynamics
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The fundamental laws of thermodynamics govern the behavior of energy in systems.
• First Law of Thermodynamics: Energy cannot be created or destroyed, only transferred or converted.

• Second Law of Thermodynamics: The entropy of an isolated system will always increase over time.

• Third Law of Thermodynamics: As temperature approaches absolute zero, the entropy of a system approaches a minimum value.

• Examples: A car engine conve...read more
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Q4. What is Fouriers Law write its equation
Ans. 
Fourier's Law describes the flow of heat through a material.
• Fourier's Law states that the rate of heat transfer through a material is directly proportional to the negative gradient of temperature and the area perpendicular to the direction of heat flow.

• The equation for Fourier's Law is q = -k * A * (dT/dx), where q is the heat transfer rate, k is the thermal conductivity of the material, A is the cross-sectional area, ...read more
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Q5. Explain Iron Carbon phase diagram
Ans. 
The Iron-Carbon phase diagram illustrates the phases and microstructures of iron-carbon alloys as a function of temperature and composition.
• Shows the phases of iron and carbon at different temperatures and compositions

• Includes regions for austenite, ferrite, cementite, and pearlite

• Critical points such as eutectic point and eutectoid point are marked

• Used to predict the microstructure of steel based on composition and he
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Q6. Stress Strain Curve Explain
Ans. 
The stress-strain curve shows the relationship between stress (force applied) and strain (resulting deformation) in a material.
• The curve typically consists of three main regions: elastic deformation, plastic deformation, and fracture.

• In the elastic region, the material deforms elastically and returns to its original shape when the stress is removed.

• The plastic region is where permanent deformation occurs, but the mater...read more
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Q7. Calculate SFD & BMD
Ans. 
SFD and BMD are calculated using equations of equilibrium and relationships between load, shear force, and bending moment.
• Calculate reactions at supports using equations of equilibrium

• Determine the shear force at different points along the beam by considering the applied loads and reactions

• Calculate the bending moment at different points by integrating the shear force diagram

• Plot the SFD and BMD based on the calculated...read more
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Q8. How to Calculate velocity of fluid flowing through pipe
Ans. 
Velocity of fluid flowing through a pipe can be calculated using the formula Q = A * V, where Q is the flow rate, A is the cross-sectional area of the pipe, and V is the velocity of the fluid.
• Calculate the cross-sectional area of the pipe using the formula A = π * r^2, where r is the radius of the pipe.

• Determine the flow rate (Q) of the fluid, which is typically measured in cubic meters per second (m^3/s) or liters per...read more
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Q9. What is Difference between entropy and enthalpy
Ans. 
Entropy is a measure of disorder or randomness in a system, while enthalpy is a measure of the heat energy in a system.
• Entropy is a thermodynamic property that measures the amount of energy in a system that is not available to do work.

• Enthalpy is a thermodynamic property that measures the total heat content of a system.

• Entropy increases in irreversible processes, while enthalpy remains constant.

• Entropy is denoted by S,...read more
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Q10. Draw Refrigeration Cycle Graph
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The Refrigeration Cycle graph shows the process of cooling a space by transferring heat from inside to outside.
• The cycle starts with the refrigerant entering the compressor as a low-pressure gas.

• The refrigerant is compressed, raising its temperature and pressure, before entering the condenser where it releases heat to the surroundings.

• After losing heat, the refrigerant becomes a high-pressure liquid and flows into the ...read more
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Q11. Draw vapour absorption cycle graph
Ans. 
The vapor absorption cycle graph shows the relationship between pressure, temperature, and enthalpy during the process.
• The graph typically shows pressure on the y-axis and temperature on the x-axis.

• It includes lines representing the various stages of the cycle such as evaporation, absorption, and desorption.

• The enthalpy values at different points in the cycle can also be plotted on the graph.

• Example: The graph will sho...read more
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Q12. Draw Rankine otto & diesel cycle graph
Ans. 
The Rankine, Otto, and Diesel cycle graphs are commonly used in thermodynamics to analyze different types of heat engines.
• The Rankine cycle is used in steam power plants and consists of four processes: heat addition, isentropic expansion, heat rejection, and isentropic compression.

• The Otto cycle is used in spark-ignition engines and consists of four processes: isentropic compression, constant volume heat addition, isen...read more
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A common topic was presented, and everyone had to share their opinions.

Q1. Can you provide details about the projects you have completed?
Ans. 
I have completed various projects including a market research analysis, a social media campaign, and a website redesign.
• Market research analysis for a new product launch

• Social media campaign to increase brand awareness

• Website redesign to improve user experience
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Q2. Technical Questions from branch wise
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Q1. Why you want to join Atkins Realis
Ans. 
I want to join Atkins Realis because of their reputation for innovative projects and commitment to sustainability.
• Atkins Realis is known for their cutting-edge projects in engineering and design

• I am impressed by their focus on sustainability and environmental responsibility

• I believe working at Atkins Realis will provide me with valuable experience and opportunities for growth
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Q2. Tell me about something which is not there in your resume
Ans. 
I have a passion for photography and have won several awards for my work.
• I have been practicing photography as a hobby for the past 5 years

• I have won awards in local photography competitions for my landscape and portrait photography

• I have a portfolio of my work that showcases my skills and creativity
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