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Chemical Engineering Basics

Chemical Engineering Basics
Gantt charts are used for streamlining the

Production schedule
Sales forecasting
Inventory control
Quality control

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Chemical Engineering Basics
Sub zero treatment of steel is done to

Enhance its working performance in sub zero atmosphere
Induce temper brittleness after its hardening
Reduce the retained austenite in hardened steel
Suppress martensite transformation

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Chemical Engineering Basics
Dies for wire drawing are generally made of

High carbon steel
Mild steel
Stainless steel
Carbides

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Chemical Engineering Basics
Friction factor for fluid flow in pipe does not depend upon the

Pipe roughness
Fluid density & viscosity
Pipe length
Mass flow rate of fluid

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Chemical Engineering Basics
Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is

Cheaper
Reduced preferentially
Oxidised preferentially
Lighter

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Chemical Engineering Basics
Milligram of KOH required to saponify 1 gm of oil is called its __________ number.

Acid
Emulsion
Precipitation
Saponification

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