Power Plant Engineering - Interview Questions | Exam2Win

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21. The effect of considering friction losses in steam nozzle for the same pressure ratio leads to

A. increase in exit velocity from the nozzle

B. decrease in exit velocity from the nozzle

C. no change in exit velocity from the nozzle

D. increase or decrease depending upon the exit quality of steam

Explanation:

22. The draught produced, for a given height of the chimney and given mean temperature of chimney gases

A. decreases with increase in outside air temperature

B. increases with increase in outside air temperature

C. remains the same irrespective of outside air temperature

D. may increase or decrease with increase in outside air temperature

Explanation:

23. Thorium Breeder Reactors are most suitable for India because

A. these develop more power

B. its technology is simple

C. abundance of thorium deposits are available in India

D. these can be easily designed

Explanation:

24. The draught produced by chimney of given height at given outside temperature

A. decreases if the chimney gas temperature increases

B. increases if the chimney gas temperature increases

C. remains same irrespective of chimney gas temperature

D. may increase or decrease

Explanation:

25. The artificial draught normally is designed to produce

A. less smoke

B. more draught

C. less chimney gas temperature

D. all of the above

Explanation:

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