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WorksheetsCivil war -Day 36-PWD-Ferrous metals & steel
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
Process done to relieve the internal stresses developed due to hardening of steel is
a)
Normalizing
b)
Quenching
c)
Tempering
d)
Hardening
2.
Reverse process of annealing is
a)
Normalizing
b)
Cyaniding
c)
Tempering
d)
Hardening
3.
Melting point of mils steel is
a)
1100˚C
b)
1200˚C
c)
1400˚C
d)
1800˚C
4.
In the manufacturing of wrought iron, reverberatory furnace is used in
a)
Refining
b)
Shingling
c)
Puddling
d)
Rolling
5.
Duplex process consist of
a)
Basic Bessemer process followed by acidic open hearth process
b)
Acidic Bessemer process followed by basic open hearth process
c)
Basic open hearth process followed by acidic Bessemer process
d)
Acidic open hearth process followed by basic Bessemer process
6.
Which steel is used for making surgical instruments, files etc.
a)
Ingot
b)
Cast steel
c)
Blister steel
d)
Low carbon steel
7.
Steel having carbon content of 0.25% to 0.6% is known as
a)
High carbon steel
b)
Mild steel
c)
Medium carbon steel
d)
Dead steel
8.
Cast steel obtained from
a)
Cementation process
b)
Crucible steel process
c)
Bessemer process
d)
Duplex process
9.
The steel beam which is also called as steel joist is
a)
I section
b)
Angle section
c)
Channel section
d)
T section
10.
Which of the following processes is also known as the Siemens-Martin process?
a)
Open-hearth process
b)
L.D. process
c)
Electric process
d)
Duplex process
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