Chemical Engineering - Chemical Engineering Basics

6. 

Out of the following, which will fracture most readity, when hit with a hard hammer ?

A. Brass
B. Bronze
C. German silver
D. Cast iron

Answer: Option D

Explanation:

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7. 

A pycnometer is used for the measurement of

A. flow rate of molten metal.
B. specific gravity of a liquid.
C. composition of alloys.
D. concentration of a solution.

Answer: Option B

Explanation:

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8. 

For infinite parallel planes having emis-sivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by

A. 1 + ε2)/ε12
B. ε12/(ε1 + ε2 - ε12)
C. ε12
D. ε1 + ε2

Answer: Option B

Explanation:

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9. 

Working of linear variable differential transducer (LVDT) is based on the principle of variable

A. capacitance
B. resistance
C. mutual inductance
D. none of these

Answer: Option C

Explanation:

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10. 

A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

A. Steel
B. Glass
C. Rubber
D. Brass

Answer: Option A

Explanation:

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