Junior Mechanical Design Engineer

Junior Mechanical Design Engineer Interview Questions and Answers

Updated 1 Feb 2023

Q1. 1. State the types of fits. 2. Least count of vernier caliper and micrometres. 3. What shall be the points to be kept in the mind while designing a component ? 4. How would a person test for a component's feasi...

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Ans.

Answering questions related to mechanical design engineering.

  • Types of fits include clearance fit, interference fit, and transition fit.

  • The least count of a vernier caliper is typically 0.02 mm, while for micrometers it is usually 0.01 mm.

  • Points to consider while designing a component include functionality, material selection, manufacturing process, and cost.

  • Feasibility of a component can be tested through prototyping, simulation, and analysis.

Q2. 1. What are the units of pressure and forces? 2. State the types of welding processes carried out in manufacturing industries. 3. State brief description about the welding processes.

Ans.

1. Pressure is measured in units such as Pascal, psi, or bar. Forces are measured in units such as Newton or pound-force.

  • Pressure units: Pascal (Pa), psi (pound per square inch), bar

  • Force units: Newton (N), pound-force (lbf)

  • Example: Pressure of a car tire is typically measured in psi

  • Example: Force required to lift an object is measured in Newton

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