0 votes
51 views
asked in PPE by (215k points)
Once- through boilers operate at

(a) Subcritical pressure         

(b) Supercritical pressure

(c) Subcritical as well supercritical pressures

(d) Critical pressure only

Please log in or register to answer this question.

Welcome to Q&A discussion forum, where you can ask questions and receive answers from other members of the community.

10.4k questions

274 answers

26 comments

15.3k users

...