Tata Steel Recruitment Junior Engineer Post
What is the main component of steel ?
  • Aluminium
  • Carbon
  • Iron
  • Nickel
Explanation: Steel is mostly made of iron. Small amounts of carbon are added to make it stronger.
How many atoms are there in one unit cell of a BCC structure ?
  • 1
  • 2
  • 3
  • 4
Explanation: In a Body-Centered Cubic (BCC) unit cell, there is: 1 atom at each of the 8 corners (each shared by 8 unit cells - counts as 1/8 atom per corner) 1 atom completely inside the center of the cube Total atoms = (8 corners × 1/8) + 1 center = 1 + 1 = 2 atoms
Which test is used to measure hardness ?
  • Tension test
  • Brinell test
  • Fatigue test
  • Impact test
Explanation: The Brinell test is used to check how hard a material is by pressing a ball into it and measuring the indentation.
What is the main purpose of heat treatment ?
  • Increase weight
  • Change color
  • Improve mechanical properties
  • Reduce size
Explanation: Heat treatment is done to make metals stronger, harder, or tougher by heating and cooling them in a controlled way.
When was Tata Steel established ?
  • 1907
  • 1947
  • 1956
  • 1991
Explanation: Tata Steel was founded in the year 1907.
Tata Steel Jamshedpur plant is located on the bank of which river ?
  • Ganga
  • Brahmaputra
  • Subarnarekha
  • Narmada
Explanation: The Tata Steel plant in Jamshedpur is situated on the banks of the Subarnarekha River.
Why is flux used in welding ?
  • To reduce temperature
    • Explanation: Flux helps clean the metal by removing dirt and impurities during welding.