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 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
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
Which of the following allotropes of Carbon is used as a reducing agent in metallurgy?
A Carbon Black
B Graphite
C Charcoal
D Coke
On-line transaction processing is used when ______________. I) it is required to answer random queries. II) it is required to ensure correct processing. III) all files are available on-line. IV) all files are stored using hard disk.
A i, ii
B i, iii
C ii, iii, iv
D i, jj ,iii
While larger banks can afford to maintain their own data-processing operations, many smaller regional and community banks are finding that the 'cost assoc iated with' upgrading data processing equipment and with the development and maintenance of new products and technical staff are prohibitive.
A cost associated with
B costs asso ciated with
C costs arising from
D cost of

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