1. is a function of the effective stress
2. does not depend on the present stress
3. is a function of the pore water pressure
4. is a function of the total stress
is a function of the pore water pressure
1. 5.64
2. 7.63
3. 8.05
4. 13.61
7.63
1. the slope of the 1-hour unit hydrograph at that time
2. the slope of the direct runoff unit hydrograph at that time
3. difference in the slope of the S - curve and 1 - hour unit hydrograph
4. the slope of the S-curve with effective rainfall intensity of 1cm/hr
the slope of the S-curve with effective rainfall intensity of 1cm/hr
1. 1/r5
2. 1/r3
3. 1/r4
4. 1/r
1/r5
1. Aquifer
2. Aquitard
3. Aquifuge
4. Aquiclude
Aquitard
1. Bicarbonates of Ca and Mg
2. Sulphates of Ca and Mg
3. Chlorides of Ca and Mg
4. Nitrates of Ca and Mg
Bicarbonates of Ca and Mg
1. to avoid flocculation
2. to increase biological activity of bacteria
3. to avoid bulking of activated sludge
4. to help in grease separation
to avoid bulking of activated sludge
1. y = sin (x + c)
2. y = cos (x + c)
3. Y = tan (x + c)
4. Y = e x + c
Y = tan (x + c)
1. (0, 1), (0, 2), (0, - 1)
2. (0, 0), (- 1, 1), (1, 2)
3. (1, 1), (0, 0), (2, 2)
4. (1, 2), (2, 1), (0, 0)
(0, 0), (- 1, 1), (1, 2)
1. (k/s)e-∞
2. (k/s)e∞
3. ke-∞
4. (k/s)(1-e-∞)
(k/s)(1-e-∞)