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Chemical Engineering Basics

Chemical Engineering Basics
There are one octahedral void and __________ tetrahedral void in the closest packing of atoms.

One
None of these
Three
Two

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Chemical Engineering Basics
Toughness of a material is measured by the

Universal testing machine
Notched bar test
Vicker's hardness test
Scratch test

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Chemical Engineering Basics
Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is

3CaO . SiO₂
5CaO . 3 Al2O₃
3CaO . Al2O₃
2CaO . SiO₂

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Chemical Engineering Basics
The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres

35
25
75
55

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Chemical Engineering Basics
For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?

Temperature - pressure
Enthalpy-pressure
Temperature - entropy
Enthalpy - entropy

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

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

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