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Chemical Engineering Basics

Chemical Engineering Basics
Kinematic viscosity of water as compared to that of air is

Same
More
15% more
15% less

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Chemical Engineering Basics
Swaging is a/an __________ operation.

Piercing
Forging
Extrusion
Drawing

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Chemical Engineering Basics
Filler material used in welding having the lowest melting point out of the following is

Soft solder
Silver solder
Brazing spelter
Aluminium

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

Full annealing
Bright annealing
Patenting
None of these

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Chemical Engineering Basics
A suitable lubricant used for watches is

Metallic soap solution
Grease
Hazel-nut oil
Palm oil

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Chemical Engineering Basics
Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is

Oxidised preferentially
Cheaper
Lighter
Reduced preferentially

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