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Chemical Engineering Basics

Chemical Engineering Basics
__________ is the most suitable lubricant for drawing mild steel wires?

Lime water
Sodium stearate
Water
Kerosene

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Chemical Engineering Basics
Creep consideration is the most important in case of the

Cast iron pipes
Steam engine flywheel
Blades of gas turbines
Cycle chains

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Chemical Engineering Basics
Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is

2CaO . SiO₂
3CaO . SiO₂
5CaO . 3 Al2O₃
3CaO . Al2O₃

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

Induced stresses
Density
Elastic properties
Thermal properties

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Chemical Engineering Basics
Chlorine acts as a bleaching agent only in the presence of

Moisture
Sunlight
Dry air
Pure oxygen

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Chemical Engineering Basics
The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is

Bright annealing
Patenting
Full annealing
None of these

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