Chemical Engineering - Chemical Engineering Basics

16. 

Annealing ofwhite cast iron produces __________ iron.

A. grey
B. nodular
C. malleable
D. spheroidal

Answer: Option C

Explanation:

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17. 

Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)

A. A
B. l
C. A2
D. both 'a' & 'b'

Answer: Option D

Explanation:

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18. 

A solar cell converts the sunlight directly into __________ energy.

A. thermal
B. electrical
C. mechanical
D. chemical

Answer: Option B

Explanation:

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19. 

If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

A. critical
B. breeder
C. fertile
D. heterogenous

Answer: Option B

Explanation:

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20. 

Wrought iron is never shaped by

A. casting
B. cold working
C. forging
D. welding

Answer: Option A

Explanation:

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