For M 150 mix concrete, according to I.S. specifications, local bond stress, is________?

Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than________?

With the increase in the quantity of water supplied, the yield of most crops________?

If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to________?

In case of hand mixing of concrete, the extra cement to be added is________?

If ‘N’ is the number of shafts used, then the total number of feces available for attacking the excavation and construction in tunnels are________?