Related Questions

Powder metallurgy process does not make metal powder by
A Atomisation
B Grinding/milling
C Hammering
D Electrolytic deposition
The process of heating the cold pressed metallic powder is called __________ in powder metallurgy.
A Precipitation
B Fusion
C Sintering
D Agglomeration
Powder metallurgy processing can be used for making
A Dispersion strengthened copper rod
B Self lubricating bearing and cemented carbide
C Connecting rod
D Piston
Powder metallurgy technique is used in the production of __________ tools.
A Tungsten carbide
B High carbon steel
C High speed steel
D Drilling
The operation in which oil is permeated into the pores of a powder metallurgy product is known as
A Mixing
B Sintering
C Impregnation
D Infiltration
Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of
A 90% tungsten carbide and 10% cobalt
B 70% aluminium oxide & 30% silica
C 30% nickel, 15% chromium & 55% tungsten
D 65% tungsten & 35% zirconium
For preparation of porous bearings by powder metallurgy, preferred particle shape is
A Spherical
B Nodular
C Irregular
D No preferred shape
A machine can produce 10 units in 5 hours. Another machine can produce 5 units in 10 hours. Working together, how many units can they produce in 30 hours?
A 50 units
B 60 units
C 70 units
D 80 units
Which of the following allotropes of Carbon is used as a reducing agent in metallurgy?
A Carbon Black
B Graphite
C Charcoal
D Coke
To produce talcum powder, use
A Ball mill
B Hammer mill
C Jet mill
D Pin mill

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