A. Less than 150
B. Between 150 to 200
C. Between 200 to 300
D. More than 500
A. Size
B. Shape
C. Weight
D. None of these
A. 2.4 m above the hydraulic gradient
B. 6.4 m above the hydraulic gradient
C. 10.0 m above the hydraulic gradient
D. 5.0 above the hydraulic gradient
E. none of the above
A. increases
B. decreases
C. remains constant
D. increases first upto certain limit and then decreases
E. unpredictable
A. Solvency
B. Liquidity
C. Leverage
D. Insolvency
A. A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided
B. The outlet invert level is kept 5 to 7.5 cm below the inlet invert level
C. The minimum width of septic level is 90 cm
D. The depth of tank is kept equal to its width
A. viscosity
B. air resistance
C. surface tension forces
D. atmospheric pressure
E. none of the above