Question

The thickness of the suspended matter on top of the sand bed is __________

(a) Directly proportional to head loss

(b) Inversely proportional to head loss

(c) Independent of the head loss

(d) Directly proportional to the square of head loss

I had been asked this question by my school teacher while I was bunking the class.

This question is from Problems in Filter Operation in division Filtration of Environmental Engineering

Answer 1

The correct choice is (a) Directly proportional to head loss

The explanation is: As the thickness of suspended matter on top of the sand bed increases, the head loss is increased. So, it is directly proportional to head loss.