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Chemical Engineering Basics

Chemical Engineering Basics
The weight of a body at the centre of the earth is

Same as on the surface of the earth
Zero
None of these
Infinite

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

Concrete
Asbestos cement
Cast iron
Mild steel

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Chemical Engineering Basics
Measurement of the area of the indented surface is not involved in the __________ hardhes testing method.

Brinell
Knoop
Rockwell
Vicker's

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Chemical Engineering Basics
__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

Flanged
Bell and Spigot
Expansion
Collar

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

SiO₂
Al2O₃
P
MnO₂

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Chemical Engineering Basics
Super conduction in metals is observed at a temperature of __________ °K.

>100
About 273
About 373

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