Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about __________ decibels.
Options
A. 3
B. 30
C. 70
D. 100
Correct Answer
3
More questions
1. Use of 'grinding aids' is done in __________ grinding.