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Chemical Engineering Basics

Chemical Engineering Basics
__________ of air does not increase with increase in temperature.

Density
Thermal conductivity
Viscosity
Thermal diffusivity

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Chemical Engineering Basics
Limestone addition in the blast furnace is done to flux __________ present in the raw materials.

MnO₂
P
Al2O₃
SiO₂

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Chemical Engineering Basics
Dies for wire drawing are generally made of

Mild steel
Carbides
Stainless steel
High carbon steel

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Chemical Engineering Basics
Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

3
7
5
1.5

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Chemical Engineering Basics
A psychrometer does not measure the __________ temperature of moist air.

Wet bulb
Dew point
None of these
Dry bulb

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Chemical Engineering Basics
Which of the following will resist maxi-mum shock & vibration without cracking?

White cast iron
Malleable iron
Grey cast iron
Graphite

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