Correct answer
D. both (1) and (2)
Explanation
The correct answer is both (1) and (2).
The maximum average depth due to one day storm over an area of 100 km2 is 100 mm. Depth-Area-Duration (DAD. curves indicate that for the same area of 100 km2 the maximum average depth for a 3 hour storm will be________?
The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is________?
The maximum width of a vehicle as recommended by IRC is________?
The following sights are taken on a “turning point”________?
A cement concrete road is 1000 m long, 8 m wide and 15 cm thick over the sub-base of 10 cm thick gravel. The box cutting in road crust is________?
In sewage having fully oxidised organic matter, the nitrogen exists in the form of________?