A habitable space on the roof of the building with or without facilities

At ground level the potential energy of a body is

Kaplan turbine is an/a

Expected value of PH for fresh sewage is

Minimum centre to centre spacing of friction pile of diameter D as per BIS specification

S shaped spillway is also called as

Bearing pressure is perpendicular to the axis of shaft in ___bearings

Percentage of fuel energy lost to the cylinder walls is approximately

How many pairs of parallel lines are there in regular hexagon