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Chemical Engineering Basics

Chemical Engineering Basics
Which one is neutral in character ?

N₂O₄
N₂O
N₂O₃
N₂O₅

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Chemical Engineering Basics
In age-hardenable alloys, maximum ductility is obtained

After overageing
After optimum ageing
In as cast state
Immediately after solution treatment and subsequent quenching

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

Impact strength
Corrosion resistance
Machinability
Endurance limit

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Chemical Engineering Basics
Blast furnace slag is mainly molten

Iron pyrite
Sand
Calcium silicate
Magnesium silicate

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Chemical Engineering Basics
Atomic __________ of an element is a whole number.

Number
Radius
Weight
Volume

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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.

Expansion
Bell and Spigot
Flanged
Collar

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