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Photo 8: As per the PA fan performance curve, for the PA flow range of 27000 to 32000 m3/h,<br />
the efficiency of the PA fan should have been above 70%. The efficiency of PA fan was actually<br />
seen to be 30 to 40% only.<br />
Photo 9: The asbestos pad provided above the mix<strong>in</strong>g nozzle was seen to be project<strong>in</strong>g <strong>in</strong> to the<br />
coal p<strong>at</strong>h. Wet coal dust could get a support over this and eventually lead to arch<strong>in</strong>g.
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