Mechanical Engineering Questions And Answers :: Steam Boilers: part5



Mechanical Engineering : Steam Boilers QUESTIONS AND ANSWERS :: part5 : 11 to 15

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

11.Which type of boiler can meet rapid changes of load

vertical fire tube type
horizontal fire tube type
horizontal water tube type
vertical water tube type
forced circulation type.

12.The fusible plug in small boilers is located

in the drum
in the fire tubes
above steam dome
over the combustion chamber
at the inlet of chimney.

13.Thermal efficiency of well maintained boiler will be of the order

20%
40%
50%
75%
90%.

14.Thermal efficiency of a thermal power plant is of the order of

15%
20%
30%
45%
opt 5

15.In a recuperative air preheater, the heat is transferred

from a metal wall from one medium to another
from heating an itermediate material and then heating the air from this material
by direct mixing ,
heat is transferred by bleeding some gases from furnace
none of the above.

More Steam Boilers QUESTIONS AND ANSWERS available in next pages

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