Tata Steel Recruitment Junior Engineer Post
Why is flux used in welding ?
  • To remove impurities
  • To change color
  • To make vapor
Explanation: Flux helps clean the metal by removing dirt and impurities during welding.
What is measured using a micrometer ?
  • Temperature
  • Pressure
  • Thickness
  • Sound
Explanation: A micrometer is used to measure the thickness or small dimensions of objects very precisely.
Which gas is used in MIG welding ?
  • Oxygen
  • Hydrogen
  • Argon
  • Nitrogen
Explanation: In MIG welding, argon gas is used to protect the weld area from air and prevent contamination.
Which instrument is used to measure the speed of a motor ?
  • Caliper
  • Tachometer
  • Thermometer
  • Odometer
Explanation: A tachometer measures how fast a motor is spinning (its speed).
What is the full form of CNC machine?
  • Computer Numeric Control
  • Central Numeric Control
  • Control Number Code
  • Central Network Control
Explanation: CNC stands for Computer Numeric Control, a machine controlled by a computer to perform precise tasks.
Which furnace is used for melting iron ?
  • Bend Furnace
  • Electric Arc Furnace
  • Rotary Kiln
  • Induction Heater
Explanation: An Electric Arc Furnace melts iron by using electric arcs to generate high temperatures.
When is a belt drive used ?
  • For power transmission over long distance
  • To measure temperature
    • Explanation: Belt drives are used to transfer power between shafts that are far apart.