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Chemical Engineering Basics

Chemical Engineering Basics
Materials used for making permanent magnets containing iron and nickel are made by __________ technique.

Forging
None of these
Casting
Powder metallurgy

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Chemical Engineering Basics
Steel produced from phosphatic iron is __________ in nature.

Tough
Brittle
Malleable
Ductile

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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

0.25
0.44
0.33

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Chemical Engineering Basics
Nitrogen is not an essential component of

Urea
Any of these
Oils & fats
Protein

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Chemical Engineering Basics
Shaft/rotor speed is most accurately measured by a

Strobometer
Speedometer
Tachometer
Frequency counter

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Chemical Engineering Basics
The phenomenon of strain-ageing is generally experienced with

High manganese steel
Cast iron
Low carbon steel
High carbon steel

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