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Chemical Engineering Basics

Chemical Engineering Basics
A suitable lubricant used for watches is

Hazel-nut oil
Palm oil
Metallic soap solution
Grease

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Chemical Engineering Basics
Blast furnace slag is mainly molten

Iron pyrite
Calcium silicate
Magnesium silicate
Sand

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Chemical Engineering Basics
Isotropic materials have the same __________ in all directions.

Density
Elastic properties
Induced stresses
Thermal properties

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Chemical Engineering Basics
Coke is added in the blast furnace to

Remove sulphur & phosphorus from molten metal
None of these
Increase the fluidity of slag
Reduce & melt the iron ore

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Chemical Engineering Basics
Notched bar test is used for testing the __________ of a material.

Endurance limit
Corrosion resistance
Machinability
Impact strength

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Chemical Engineering Basics
Powder metallurgy is used to produce

Porosity free components
High precision components with complex cavities and sharp features
Components of such alloys whose constituents do not form alloys readily
Components of large size

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