Mechanical Engineering Questions And Answers :: Steam Boilers: part6



Mechanical Engineering : Steam Boilers QUESTIONS AND ANSWERS :: part6 : 1 to 5

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

1.The function of injector used in small capacity boilers is to

create vacuum
inject chemical solution in feed pump
pump water, similar to boiler feed pump
add make up water in the system
none of the above.

2.An economizer in a boiler

increases steam pressure
increases steam flow
decreases fuel consumption
decreases steam pressure
increases life of boiler.

3.The economiser is used in boilers to

increase thermal efficiency of boiler
economise on fuel
extract heat from the exhaust flue gases
increase flue gas temperature
to heat feed water by bled steam.

4.In regenerative air preheater, the heat is transferred

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

5.The pressure of reheat steam after passing through reheated compared to inlet condition is

more
less
equal
may be more or less depending on capacity of reheated
none of the above.

More Steam Boilers QUESTIONS AND ANSWERS available in next pages

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