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Chemical Engineering Basics

Chemical Engineering Basics
__________ is the most important element, which controls the physical properties of steel.

Carbon
Silicon
Vanadium
Manganese

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Chemical Engineering Basics
Rain drops falling through atmospheric air attain limited terminal velocity, because of

Upward thrust due to air
Force of gravity
Surface tension effects of water
Viscous force exerted by air

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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
0.70902777777778
1.2090277777778

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Chemical Engineering Basics
Nitrogen is not an essential component of

Oils & fats
Any of these
Urea
Protein

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Chemical Engineering Basics
'Flare tower' used in industry is meant for

None of these
Absorbing the pollutant gases from the furnace exhaust
Venting off (after burning) the excess inflammable/toxic gases at high pressure
Cooling of furnace exhaust gases

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

Brittle
Malleable
Tough
Ductile

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