The efficiency of excluders and ejectors can be expressed by η = silt intensity in the canal upstream of the ejector - silt intensity in the canal downstream ...
Mostly students get confused about answer's signs so lets have a look at it:There are two kinda rules about signs 1) Addition2) Multiplication1) Addition: + + + = + a+b = - + - = -a+(-b)= -cIf all the...