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Chemical Engineering Basics

Chemical Engineering Basics
Lead is poured into the joints between two __________ pipes.

Steel
Concrete
Plastic
Cast iron

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Chemical Engineering Basics
Nitrogen is not an essential component of

Any of these
Protein
Urea
Oils & fats

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Chemical Engineering Basics
The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres

75
35
25
55

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Chemical Engineering Basics
Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

0.043055555555556
0.044444444444444
0.084027777777778
0.042361111111111

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Chemical Engineering Basics
1% concentration of water vapor in air is equivalent to __________ ppm (parts per million).

1000
100
10000
10

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Chemical Engineering Basics
In radiative heat transfer, a grey surface is the one, which has

Equal brightness in all directions
Emissivity independent of wavelength
Grey appearance to the eye
Zero reflectivity

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