Correct answer
D. dual action of aerobic bacteria and anaerobic bacteria
Explanation
The correct answer is dual action of aerobic bacteria and anaerobic bacteria.
For M 150 grade concrete (1:2:4) the moment of resistance factor is________?
Assertion A : The ratio of arriving and departing aircrafts influences the airport capacity: Reason R :Landing operation is generally given priority over the taking off operation________?
In the case of panel wall subjected to horizontal loads at right angles to the plane of the wall, with the mortar not leaner than Ml type, tensile stress in bending in the vertical direction may be allowed to the extent of ________?
Select the correct statement?
The type of surveying which requires least office work is________?
A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve________?