Sail E0 Webinar
Question
Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent.
Options:
A .  10-15
B .  25-30
C .  45-50
D .  65-70
Answer: Option B

Submit Your Solution Below and Earn Points !
Next Question

Submit Solution

Your email address will not be published. Required fields are marked *

Latest Videos

Latest Test Papers