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Chemical Engineering Basics

Chemical Engineering Basics
For hardening high alloy steel, it is to be heated slowly and uniformly to avoid

Warpage
Local hardening
Segregation
Scale formation

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Chemical Engineering Basics
Unit of viscosity in CGS system is

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

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Chemical Engineering Basics
For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?

Enthalpy - entropy
Enthalpy-pressure
Temperature - pressure
Temperature - entropy

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Chemical Engineering Basics
__________ is not a heat treatment process.

Austempering
Cyaniding
Martempering
Pakerising

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Chemical Engineering Basics
Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about

0.37569444444444
0.95902777777778
1.2090277777778
0.70902777777778

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

959
723
1147
1493

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