Quality Assurance Engineer Trainee

Quality Assurance Engineer Trainee Interview Questions and Answers for Freshers

Updated 30 Jan 2025

Q1. Type of gear and gear view drafting

Ans.

Gear types include spur, helical, bevel, worm, rack and pinion. Gear views include front view, top view, and side view.

  • Types of gears: spur, helical, bevel, worm, rack and pinion

  • Gear views: front view, top view, side view

  • Examples: Spur gear - used in parallel shaft arrangements, Helical gear - used for high-speed applications

Q2. IS code for mix design

Ans.

IS code for mix design is IS 10262:2009

  • IS 10262:2009 is the Indian Standard code for concrete mix design

  • It provides guidelines for proportioning of concrete ingredients based on desired strength and workability

  • The code covers various factors such as water-cement ratio, aggregate grading, and admixtures

Q3. Different grade of concrete

Ans.

Different grades of concrete are classified based on their compressive strength.

  • Concrete grades are denoted by M followed by a number, such as M20, M30, etc.

  • Higher grade concrete has higher compressive strength.

  • Different grades are used for different types of construction projects.

  • Common grades include M20, M25, M30, M35, and M40.

  • Each grade has a specific mix ratio of cement, sand, and aggregates.

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