Economiser is used to heat_____________?
Correct answer: B. feed water
- A. air
- B. feed water
- C. flue gases
- D. all above
Explanation
An economiser recovers heat from flue gases to preheat the boiler feed water before it enters the boiler. This reduces the fuel required to generate steam.
Last updated
Practise Power Systems
334 free Power Systems MCQs from Electrical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Electrical Engineering questions like this
Electrical Engineering is on 2 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
Advantages of HVDC transmission over AC system is / are____________?
Which of the following relays is used on long transmission lines?
The steel used in steel cored conductors is usually__________?
Which of the following distribution systems is more reliable?
Which of the following characteristics should the line supports for transmission lines possess?