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Chemical Engineering Basics

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

P
SiO₂
Al2O₃
MnO₂

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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

0.084027777777778
0.044444444444444
0.042361111111111
0.043055555555556

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

Fluid pressure
Fluid density
Roughness of the surface
Fluid velocity

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Chemical Engineering Basics
A suitable lubricant used for watches is

Hazel-nut oil
Palm oil
Metallic soap solution
Grease

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Chemical Engineering Basics
__________ is the process used for setting up compressive stresses in the surface of a metal to improve its fatigue strength.

Spinning
Lancing
Slugging
Shot peening

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Chemical Engineering Basics
__________ is the most suitable lubricant for drawing mild steel wires?

Sodium stearate
Kerosene
Lime water
Water

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