Edison Engineer

20+ Edison Engineer Interview Questions and Answers

Updated 1 Jul 2025
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Asked in GE

1d ago

Q. 1) Stress vs strain curve for brittle and ductile material . 2) In finite element method what are shape functions 3) Design a structure which has force at any section because of its self weight but at any secti...

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Ans.

Answering questions related to stress-strain curves, finite element method, structure design, and weak vs strong form solutions.

  • 1) Stress vs strain curve: Brittle materials have a steep curve with low strain at failure, while ductile materials have a gradual curve with high strain at failure.

  • 2) Shape functions in finite element method: Mathematical functions used to approximate the unknown behavior of a structure within each finite element.

  • 3) Designing a structure with consta...read more

Asked in GE

5d ago

Q. Axial compressor functioning of GT engines

Ans.

Axial compressor is a key component in gas turbine engines that compresses air before combustion.

  • Axial compressor consists of multiple stages of rotating blades and stationary vanes.

  • Each stage compresses the air and increases its pressure.

  • The compressed air is then mixed with fuel and ignited in the combustion chamber.

  • The hot gases produced by combustion expand and drive the turbine, which in turn drives the compressor and the generator.

  • Efficiency of the axial compressor is c...read more

Edison Engineer Interview Questions and Answers for Freshers

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Asked in GE

1d ago

Q. Write an algorithm to store given data in different formats.

Ans.

Algorithm to store data in different formats

  • Identify the data types and formats needed

  • Create a data structure to hold the data

  • Implement functions to convert data to desired formats

  • Examples: JSON, CSV, XML, SQL

  • Consider data security and privacy

Asked in GE

6d ago

Q. How do you determine the stress and failure conditions for a truss system?

Ans.

To find stress and failure condition for a truss system, analyze the forces acting on each member and calculate the stress using appropriate equations.

  • Analyze the forces acting on each member of the truss system

  • Calculate the stress using appropriate equations

  • Determine the failure condition based on the material properties and stress values

  • Examples of equations: axial stress = force/area, bending stress = (force x length)/(moment of inertia x distance from neutral axis)

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Asked in GE

4d ago

Q. Natural frequency of beam problem

Ans.

Natural frequency of a beam refers to the frequency at which the beam vibrates when disturbed from its equilibrium position.

  • Natural frequency is determined by the material properties and geometry of the beam.

  • It is important to consider natural frequency when designing structures to avoid resonance.

  • The formula for natural frequency is f = (1/2π) * √(k/m), where k is the stiffness and m is the mass of the beam.

  • Example: A bridge designed without considering natural frequency can...read more

Asked in GE

2d ago

Q. Strength Of material:1. Stress and pressure?difference?

Ans.

Stress is the force per unit area, while pressure is the force per unit area exerted by a fluid.

  • Stress is a measure of the internal forces within a material, while pressure is the force exerted on a material from the outside.

  • Stress is a scalar quantity, while pressure is a vector quantity.

  • Stress is measured in units of force per unit area, while pressure is measured in units of force per unit area.

  • Examples of stress include tension, compression, and shear stress, while exampl...read more

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4.2
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3d ago

Q. What is angle of repose? What is the stripping ratio?

Ans.

Angle of repose is the maximum angle at which a material can be piled without slumping. Stripping ratio is the ratio of overburden to ore.

  • Angle of repose is important in designing storage facilities for bulk materials.

  • It is also used in determining the stability of slopes and embankments.

  • Stripping ratio is used in mining to determine the amount of waste material that must be removed to extract a given amount of ore.

  • A high stripping ratio means that a lot of waste material mus...read more

Asked in GE

3d ago

Q. Discretization schemes and error analysis on CFD

Ans.

Discretization schemes are used in CFD to approximate continuous equations. Error analysis is used to evaluate the accuracy of the approximation.

  • Discretization schemes involve dividing the domain into smaller elements and approximating the equations within each element.

  • Common schemes include finite difference, finite volume, and finite element methods.

  • Error analysis involves comparing the numerical solution to the exact solution or a more accurate approximation.

  • Sources of err...read more

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Asked in GE

1d ago

Q. What algorithm can you use to reduce the size of a stored matrix?

Ans.

Use Singular Value Decomposition (SVD) to reduce matrix size while preserving important information.

  • SVD breaks down a matrix into its constituent parts, allowing for the removal of less important information.

  • The resulting smaller matrix can be used to approximate the original matrix with minimal loss of important information.

  • This technique is commonly used in image compression and data analysis.

  • Example: A 1000x1000 matrix can be reduced to a 100x100 matrix using SVD.

Asked in GE Aviation

3d ago

Q. What failure theories are you familiar with?

Ans.

Different failure theories include fatigue, fracture mechanics, creep, and corrosion.

  • Fatigue theory explains how materials fail under repeated loading and unloading cycles.

  • Fracture mechanics theory explains how cracks in materials grow and lead to failure.

  • Creep theory explains how materials deform over time under constant stress.

  • Corrosion theory explains how materials degrade due to chemical reactions with their environment.

Asked in GE

5d ago

Q. Ductility of a material? Strain hardening?

Ans.

Ductility is the ability of a material to deform under tensile stress. Strain hardening is the increase in strength of a material due to plastic deformation.

  • Ductility allows a material to be drawn into a wire or hammered into a thin sheet without breaking.

  • Strain hardening occurs when a material is deformed beyond its elastic limit, causing dislocations in the crystal structure.

  • Examples of ductile materials include copper, gold, and aluminum.

  • Examples of strain hardening materi...read more

Asked in GE

1d ago

Q. Derive the expression for lift over an airfoil.

Ans.

The expression of lift over air fail is derived using Bernoulli's principle and the equation for lift force.

  • Lift force is equal to the product of air density, velocity squared, wing area, and lift coefficient.

  • Airfoil shape and angle of attack affect lift coefficient.

  • Bernoulli's principle states that as air velocity increases, air pressure decreases.

  • The pressure difference between the top and bottom of a wing creates lift.

  • The expression for lift over air fail is lift force div...read more

Asked in GE

5d ago

Q. How do you predict the next numbers in a series?

Ans.

Sorry, I cannot answer this question without knowing the series.

  • Without knowing the series, it is impossible to predict the next few numbers.

  • The series could follow any pattern or rule, making it unpredictable without more information.

  • It is important to have all the necessary data before attempting to make predictions.

6d ago

Q. What is the crusher model, TPH, and power consumption?

Ans.

The crusher model is not specified.

  • Unfortunately, the crusher model is not provided in the question.

  • Therefore, the TPH (tonnes per hour) and power consumption cannot be determined.

  • Without this information, it is impossible to accurately answer the question.

Asked in GE Vernova

5d ago

Q. Which performs poorly in torsion: an I-beam or a C-section beam?

Ans.

C section beam is poor in torsion compared to I section beam.

  • C section beam has a lower torsional rigidity due to its shape

  • I section beam has a higher torsional rigidity due to its symmetrical shape

  • C section beam is more prone to twisting under load

  • I section beam is commonly used in structures where torsional forces are present

Asked in GE

6d ago

Q. Describe the stress-strain diagram of Aluminum and Copper.

Ans.

Al and Cu have different stress strain diagrams due to their different material properties.

  • Al has a higher yield strength and ultimate tensile strength than Cu.

  • Cu has a higher ductility than Al.

  • Al has a more linear stress strain curve than Cu.

  • Cu exhibits necking before fracture, while Al does not.

  • The modulus of elasticity for Al is higher than Cu.

Asked in GE

3d ago

Q. Explain the thick pressure vessel and its derivation.

Ans.

Thick of pressure vessel is determined by factors like pressure, temperature, material, and safety factor.

  • Pressure vessel thickness is calculated using various codes and standards like ASME BPVC, EN 13445, PD 5500, etc.

  • Factors like pressure, temperature, material properties, and safety factor are considered while determining the thickness.

  • The thickness calculation involves determining the maximum allowable stress, hoop stress, and longitudinal stress.

  • The thickness also depend...read more

Asked in JSW Steel

5d ago

Q. Strength of materials

Ans.

Strength of materials refers to the ability of a material to withstand external forces without breaking or deforming.

  • It is important in engineering design to ensure that materials used can withstand the expected loads and stresses.

  • Factors that affect strength of materials include material composition, shape, and size.

  • Testing methods such as tensile testing and compression testing are used to determine the strength of materials.

  • Examples of strong materials include steel, titan...read more

3d ago

Q. Explain Drilling and blasting.

Ans.

Drilling and blasting is a method used in mining and construction to break up rock formations.

  • Drilling involves creating holes in the rock using specialized equipment.

  • Blasting involves filling the holes with explosives and detonating them to break up the rock.

  • This method is commonly used in mining to extract minerals from the earth.

  • It is also used in construction to create tunnels, foundations, and other structures.

  • Safety is a major concern in drilling and blasting operations...read more

6d ago

Q. Loop in linked list and various scenario

Ans.

Loop in linked list and various scenarios

  • A loop in a linked list occurs when a node points to a previous node in the list

  • Scenarios include detecting and removing loops, finding the length of the loop, and breaking the loop

  • Floyd's cycle-finding algorithm is commonly used to detect and remove loops

1d ago

Q. Explain the costs associated with mining.

Ans.

Mines cost refers to the expenses incurred in the process of mining minerals or metals.

  • Mines cost includes expenses related to labor, equipment, energy, and materials.

  • The cost of mining can vary depending on the type of mineral or metal being extracted and the location of the mine.

  • For example, the cost of mining gold in South Africa is higher due to the depth of the mines and the labor-intensive process.

  • Mines cost can also be affected by government regulations and taxes.

  • Effic...read more

Asked in MagicBricks

3d ago

Q. What are your hobbies?

Ans.

I enjoy a variety of hobbies that keep me engaged and help me unwind, including reading, hiking, and experimenting with cooking.

  • Reading: I love diving into science fiction and fantasy novels, which spark my imagination.

  • Hiking: Exploring nature trails allows me to stay active and appreciate the outdoors.

  • Cooking: I enjoy trying out new recipes, especially from different cultures, to expand my culinary skills.

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