833Civil EngineeringMedium
The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is________?
A1
Binfinite
C100
Dzero
Correct answer
C. 100
Explanation
The correct answer is 100.
Correct answer
C. 100
Explanation
The correct answer is 100.
To minimise the effect of differential settlement, the area of a footing should be designed for________?
Which of the following is a mineral?
If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is________?
Formation of snow occurs if the cloud temperature is________?
Surface tension ________?
Optimum depth of kor watering for rice is________?