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Mechanical Engineering
Powder Metallurgy
Quiz 3
Solution
Q.1.
The process carried out in powder metallurgy is as followsi.) preparation of powder ii.) Blending of powder iii.) Compacting of powder iv.) Sintering
i, ii, iii, iv
i, iii, ii, iv
ii, i, iii, iv
iii, i, ii, iv
Q.2.
A part produced after compaction in powder metallurgy is termed as ______________
Welded part
Cast part
Forged part
Green compact
Q.3.
In atomization
passing molten metal through orifice and cooling it by dropping into water
molten metal is forced through a small orifice and broken up by a stream of compressed air
powder of metal is made by ball milling
the hydrogen reduces the oxide to metallic powder
Q.4.
Which method is used to make powder of metals having low melting point?
Mechanical pulverisation
Electrolytic process
Chemical reduction
Atomization
Q.5.
Which of the following method is used to make powder for brittle metals?
Mechanical Pulverisation
Electrolytic process
Chemical Reduction
Atomization
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