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Chemical Engineering Basics

Chemical Engineering Basics
Eutectoid reaction for iron-carbon system occurs at a temperature of __________ °C.

1493
959
597
1147

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Chemical Engineering Basics
Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about

0.70902777777778
1.2090277777778
0.95902777777778
0.37569444444444

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Chemical Engineering Basics
Silicon crystal can be converted to p-type semi-conductor by doping with

Carbon
Boron
Nitrogen
Phosphorous

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Chemical Engineering Basics
Which of the following contributes maximum as main source of sulphur in the blast furnace charge ?

Limestone
Iron ore
Sinter
Coke

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Chemical Engineering Basics
With increase in steam pressure, its specific volume decreases

Rapidly first and then slowly
Slowly first and then rapidly
Exponentially
Linearly

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Chemical Engineering Basics
For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?

Temperature - pressure
Temperature - entropy
Enthalpy-pressure
Enthalpy - entropy

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