before the economiser

before the superheater

between the economiser and chimney

none of these

1 m

2 m

3 m

4 m

Agree

Disagree

steam enters and exhausts through the same port

steam enters at one end and exhausts at the centre

steam enters at the centre and exhausts at the other end

none of the above

1 m

1.5 m

2 m

2.5 m