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Chemical Engineering Basics

Chemical Engineering Basics
Eutectoid reaction for iron-carbon system occurs at a temperature of __________ °C.

1493
597
1147
959

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Chemical Engineering Basics
A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.

400
200
300
150

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Chemical Engineering Basics
Unit of viscosity in CGS system is

Gm . cm² . sec⁻²
Gm .cm⁻², sec⁻¹
Gm . cm . sec⁻¹
Gm .cm⁻¹ sec⁻¹

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Chemical Engineering Basics
The most suitable material of construction for a sewer to carry sewage under high pressure is

Stoneware
Steel
Cement concrete
Asbestos cement

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

Nitrogen
Boron
Phosphorous
Carbon

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Chemical Engineering Basics
Which of the following is an example of cathodic protection of metals against corrosion ?

Case hardened steel
Galvanised iron
Lead lined reactor
Painted steel

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