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Chemical Engineering Basics

Chemical Engineering Basics
A compact estimate about the amount of materials handling between various work stations is obtained from the

String diagram
Travel chart
Gantt chart
Bin chart

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Chemical Engineering Basics
Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as

Gr0.33, Gr0.25
Gr0.25, Gr0.33
Gr0.25, Gr
Gr, Gr0.25

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Chemical Engineering Basics
The process of removal of scale formed during hot rolling of steel is termed as

Pickling
Skimming
Descaling
Shot blasting

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Chemical Engineering Basics
Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature.

Shows inversion of solubility
None of these
Decreases
Increases

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Chemical Engineering Basics
Which of the following phenomenon/ phenomena is/are diffusion controlled ?

Recrystallisation
Twinning
Cross-slip
Dislocation climb

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

35
65
8
80

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