Related Questions

The process of heating the cold pressed metallic powder is called __________ in powder metallurgy.
A Precipitation
B Fusion
C Sintering
D Agglomeration
Powder metallurgy is used to produce
A High precision components with complex cavities and sharp features
B Components of large size
C Porosity free components
D Components of such alloys whose constituents do not form alloys readily
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
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
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
Powder metallurgy technique is used in the production of __________ tools.
A Tungsten carbide
B High carbon steel
C High speed steel
D Drilling
For preparation of porous bearings by powder metallurgy, preferred particle shape is
A Spherical
B Nodular
C Irregular
D No preferred shape
A manufacturer of jam wants to make a profit of Tk. 0.65 each to make first 100 jars of jams and Tk. 0.55 to make each jar after the first 100. How much profit he will make from 300 jars of jam?
A Tk. 165
B Tk. 175
C Tk. 185
D Tk. 220
-----------think metallurgy as a modern wield of science, but it is actually one of the oldest.
A Although many people
B Many people
C Many people who
D In spite of many people
Which of the following allotropes of Carbon is used as a reducing agent in metallurgy?
A Carbon Black
B Graphite
C Charcoal
D Coke

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