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Chemical Engineering Basics

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

Three
One
None of these
Two

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Chemical Engineering Basics
Unit of viscosity in CGS system is

Gm .cm⁻¹ sec⁻¹
Gm . cm . sec⁻¹
Gm . cm² . sec⁻²
Gm .cm⁻², sec⁻¹

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Chemical Engineering Basics
Air standard Otto cycle is more efficient than the diesel cycle for the same

Compression ratio & pressure
Heat addition & pressure
Cylinder dimension & rpm
Heat addition & compression ratio

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

8
35
80
65

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Chemical Engineering Basics
Grain hardness is measured by the __________ hardness testing method.

Shore sceleroscope
Vicker's
Rockwell F
Knoop

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Chemical Engineering Basics
The ratio of coil diameter to wire diameter of a spring is called the spring

Form co-efficient
Index
None of these
Deflection

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