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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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