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Chemical Engineering Basics

Chemical Engineering Basics
__________ iron is produced by the annealing of white cast iron.

Ductile
Grey
Nodular
Malleable

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Chemical Engineering Basics
Nitrogen is not an essential component of

Oils & fats
Protein
Urea
Any of these

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Chemical Engineering Basics
Load cells used for the measurement of weight has

Compact & rugged construction with an accuracy of 0.1 to 1%
No moving parts and incurs negligible deflection under load
All of these
Provision of thermal compensation and is hermetically sealed

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Chemical Engineering Basics
Copper is not present as an alloying constituent in

Delta metal
Constantan
Silicon bronze
Nichrome

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Chemical Engineering Basics
The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

50
100
None of these

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

Scale formation
Warpage
Segregation
Local hardening

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