Question: This is a subjective question, hence you have to write your answer in the Text-Field given below. Polluted air (viscosity: 18 centistokes) is passed through

This is a subjective question, hence you have to write your answer in the Text-Field given below. Polluted air (viscosity: 18 centistokes) is passed through an economic type of gravity settler (length is equal to its width), which is designed to remove all dust particles. Dust particles are 40m size while its density is 10g/cc. Air flow is maintained at 10000cfm (cubic feet per minute). Value of gravitational constant is 9.8m/s2. Assuming an inlet velocity of (i) 2m/s and (ii) 4m/s, obtain the necessary dimensions of the gravity settler. How do the dimensions of the gravity settler change with increase in inlet velocity of the gas? [8+2=10]
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