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Chemical Engineering Basics

Chemical Engineering Basics
Nitrogen is not an essential component of

Any of these
Urea
Oils & fats
Protein

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Chemical Engineering Basics
The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

None of these
100
50

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Chemical Engineering Basics
Ultimate strength in tension as compared to that in shear for steel is

Half
One fourth
One third
One and half times

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Chemical Engineering Basics
Function of feed check valve in a boiler is to

Regulate the water flow to boiler
Prevent the back flow of water
Check the water level in the boiler drum
Facilitate circulation of high pressure feed water

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Chemical Engineering Basics
Which of the following heat treatment processes is usually applied to castings ?

Normalising
Tempering
Annealing
Carburising

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Chemical Engineering Basics
In the Bayer's process, bauxite is digested under pressure using

NH₃
H₂SO₄
HCl
NaOH

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