What measure to be taken to avoid the noise produced in the pneumatic ash handling system?(a) Passing ash at slower pace(b) Reducing swift turns and sharp bends(c) Broadening of pipe width(d) Reducing and crushing the size of the ashI have been asked this question during an internship interview.The origin of the question is Cool and Ash Handling System in chapter Steam Power Plant of Energy Engineering

What measure to be taken to avoid the noise produced in the pneumatic

1.	What measure to be taken to avoid the noise produced in the pneumatic ash handling system?(a) Passing ash at slower pace(b) Reducing swift turns and sharp bends(c) Broadening of pipe width(d) Reducing and crushing the size of the ashI have been asked this question during an internship interview.The origin of the question is Cool and Ash Handling System in chapter Steam Power Plant of Energy Engineering
Answer» The correct option is (b) Reducing swift turns and sharp bends Easiest explanation: The air and ash mixture moving through the pipe at HIGH pressure tends to HIT the WALLS at inner side of pipe when there are number of swift turns and sharp bends made. AVOIDING them can REDUCE the noise up to 50%.

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