Chemical Engineering - Chemical Engineering Basics

6. 

Mild steel has __________ crystal lattice structure.

A. face centred cubic (fcc)
B. body centred cubic (bcc)
C. orthorhombic
D. cubic

Answer: Option B

Explanation:

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7. 

Which of the following does not have a sharp melting point ?

A. Thoria
B. Glass
C. Ice
D. Pig iron

Answer: Option B

Explanation:

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8. 

Aluminium is extracted from

A. chalcocite
B. bauxite
C. galena
D. none of these

Answer: Option B

Explanation:

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9. 

__________ fluid force is not considered in the Navier-Stokes equation.

A. Turbulent
B. Viscous
C. Gravity
D. Pressure

Answer: Option A

Explanation:

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10. 

What is the value of entropy at 273°K ?

A. 0
B. 1
C.
D. none of these

Answer: Option A

Explanation:

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