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Chemical Engineering Basics

Chemical Engineering Basics
A cylinderical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is

0.33
0.44
0.25

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Chemical Engineering Basics
__________ of air does not increase with increase in temperature.

Viscosity
Density
Thermal diffusivity
Thermal conductivity

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Chemical Engineering Basics
__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

Bell and Spigot
Collar
Expansion
Flanged

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

Machinability
Endurance limit
Impact strength
Corrosion resistance

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Chemical Engineering Basics
Silicon crystal can be converted to p-type semi-conductor by doping with

Nitrogen
Carbon
Phosphorous
Boron

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Chemical Engineering Basics
Castability of aluminium is increased by the addition of __________ in it.

Manganese
Lead
Bismuth
Silicon

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