Related Questions

3/4th of square were taken to form shape A and the rest was made to form shape B. Shape A was divided into four equal squares (Shape C), what will be the ratio of the one shape C to one shape B.
A 1:4
B 3:16
C 1:2
D 3:4
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
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
The rolling contact bearings as compared to sliding contact bearings have
A Low starting and low running friction except at very high speeds
B Accuracy of shaft alignment
C Small overall dimensions
D All of the above
What type of bearing is used for main bearings and connecting rod bearings?
A Ball bearings
B Plain bearings
C Needle roller bearing
D Taper roller bearing

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