Trainee Design Engineer Interview Questions and Answers for Freshers

Various relays protect transformers and lines; corona, SIL, and Ferranti effects are key concepts in electrical engineering.

• Types of Relays: Differential relays protect transformers, while distance relays are used for feeders and transmission lines.

• Corona: A phenomenon where ionization of air occurs around conductors, leading to energy loss and audible noise, especially at high voltages.

• SIL (Switching Impulse Level): Refers to the maximum voltage a device can withstand during...read more

I would rate myself 8 out of 10 in Design Software.

• I have extensive experience using design software such as AutoCAD, SolidWorks, and Adobe Creative Suite.

• I have completed several design projects using these software tools, including creating 3D models and producing detailed technical drawings.

• I am proficient in using design software to analyze and optimize designs, ensuring they meet functional and aesthetic requirements.

• I continuously update my skills and stay up-to-date wi...read more

The part is typically made through processes like machining, casting, or additive manufacturing, depending on its design and material.

• Machining: Involves removing material from a solid block, e.g., turning a metal rod into a precise shaft.

• Casting: Molten material is poured into a mold, e.g., creating engine blocks from aluminum.

• Additive Manufacturing: Layers of material are added to create a part, e.g., 3D printing a prototype.

• Injection Molding: Plastic is injected into a mol...read more

The designing process of an object involves several stages such as research, conceptualization, prototyping, testing, and refinement.

• Research: Gather information about the object's purpose, target audience, and existing designs.

• Conceptualization: Generate ideas and create sketches or digital models.

• Prototyping: Build physical or digital prototypes to test functionality and aesthetics.

• Testing: Evaluate the prototype's performance, usability, and user feedback.

• Refinement: Make ...read more

Limits Fit and Tolerances are terms used in engineering to define the acceptable range of dimensions for a part or assembly.

• Limits Fit refers to the relationship between the maximum and minimum size of mating parts.

• Tolerances are the allowable variations in dimensions for a part or assembly.

• Limits Fit and Tolerances ensure proper functionality, interchangeability, and assembly of components.

• Examples of Limits Fit include clearance fit, interference fit, and transition fit.

• Tol...read more

Working software is software that is functional, reliable, and meets the requirements of the end users.

• Working software should be able to perform the tasks it was designed for without errors or bugs.

• It should be reliable and consistent in its performance.

• The software should meet the needs and expectations of the end users.

• Regular updates and maintenance should be done to ensure the software remains in working condition.

• Examples: Microsoft Office, Adobe Photoshop, Google Chrom...read more

Manufacturing processes are methods used to create products from raw materials, involving various techniques and machinery.

• Casting: pouring molten material into a mold to create a solid shape (e.g. metal casting)

• Machining: removing material from a workpiece to achieve desired shape and size (e.g. milling, turning)

• Forming: shaping materials using force or pressure (e.g. bending, stamping)

• Joining: combining multiple parts to create a single product (e.g. welding, soldering)

• Addi...read more