Chemical Engineering - Chemical Engineering Basics

16. 

Which of the following is an unconventional source of energy ?

A. Thermal power
B. Hydroelectric power
C. Nuclear-fusion power
D. Solar power

Answer: Option D

Explanation:

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17. 

The product (s) of roasting of a sulphide ore is (are)

A. oxide only.
B. sulphate only.
C. oxide and sulphate.
D. dependent on temperature and partial pressure of oxygen & sulphur dioxide.

Answer: Option A

Explanation:

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18. 

Which of the following are considered applications of ultrasonic testing ?

A. Determination of elastic constant.
B. Detection of defects in metal.
C. Measurement of material thickness.
D. None of the above.

Answer: Option B

Explanation:

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19. 

Suitability of steel for its use in cable is judged by its strength in

A. tension
B. compression
C. torsion
D. shear

Answer: Option A

Explanation:

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20. 

Hydrogen in liquid steels is dissolved

A. as tiny gas bubbles.
B. in the atomic form.
C. in the ionic form.
D. in the molecular form.

Answer: Option A

Explanation:

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