Electrical Engineering Questions And Answers :: Power Plant Engineering: part2



Electrical Engineering : Power Plant Engineering QUESTIONS AND ANSWERS :: part2 : 6 to 10

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

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

decreases if the chimney gas temperature increases
increases if the chimney gas temperature increases
remains same irrespective of chimney gas temperature
may increase or decrease

7.The artificial draught normally is designed to produce

less smoke
more draught
less chimney gas temperature
all of the above

8.The critical pressure ratio of a convergent nozzle is defined as

the ratio of outlet pressure to inlet pressure of nozzle
the ratio of inlet pressure to outlet pressure of nozzle
the ratio of outlet pressure to inlet pressure only when mass flow rate per unit area
nimum

9.The efficiency of chimney is approximately

80%
40%
20%
0.25%

10.The isentropic expansion of steam through nozzle for the steam initially superheated at inlet is approximated by equation

pvls=C
pv1126 = C
pv1A = C
pv = C

More Power Plant Engineering QUESTIONS AND ANSWERS available in next pages

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