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Chemical Engineering Basics

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

Concrete
Plastic
Steel
Cast iron

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Chemical Engineering Basics
Lime contains about 90% CaO. Percentage CaO present in limestone is about

50
25
70
80

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Chemical Engineering Basics
Oxygen cylinders used for autogenous (cutting/welding) purposes are

Welded steel cylinders
Heat treated before use
Seamless & made of steel
Made by sand casting

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Chemical Engineering Basics
The total frictional resistance to fluid flow does not depend upon the

Fluid pressure
Roughness of the surface
Fluid velocity
Fluid density

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Chemical Engineering Basics
Thermal efficiency of an internal combustion engine is around __________ percent.

8
65
35
80

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Chemical Engineering Basics
Cold chiesel & hammers are made of

High carbon steel
Mild steel
Forged steel
High speed steel

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