Q.1
What are the impurities added in the steel?
  • a) Silicon
  • b) Manganese
  • c) Sulphur
  • d) Silicon, Manganese, Sulphur
Q.2
What are the main challenges does steel industry is facing now?
  • a) High raw material cost
  • b) Overcapacity
  • c) Price volatility
  • d) High Raw Material Cost, Overcapacity, Price Volatility
Q.3
Because of its low tensile strength and low cost, it is a major component used in buildings, infrastructure, tools, ships, automobiles, machines, appliances, and weapons.
  • a) True
  • b) False
Q.4
Iron is commonly found in the Earth’s crust in the form of an ore, usually an iron oxide.
  • a) True
  • b) False
Q.5
PCI stands for – Pulverized Coal Injection Method.
  • a) True
  • b) False
Q.6
Pig iron is pure iron.
  • a) False
  • b) True
Q.7
Iron products make 10-of the total world metal production.
  • a) True
  • b) False
Q.8
Mild iron deficiency can be prevented or corrected by eating iron-rich foods and by cooking in an iron skillet.
  • a) True
  • b) False
Q.9
Blast furnace is a technique used to raise the temperature up todegree C in the furnace.
  • a) True
  • b) False
Q.10
The main types of stainless steel are Ferritic, Austenitic, Martensitic.
  • a) True
  • b) False
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