Correct option is A
Drawdown is the difference between the static water level and the pumping water level in a well, indicating the effect of pumping on groundwater levels.
Drawdown is the difference between the static water level and the pumping water level in a well, indicating the effect of pumping on groundwater levels.
For higher rate of methane generation in a biogas plant, the ideal temperature is
Suggested Test Series
Suggested Test Series