The minimum cover in a slab should neither be less than the diameter of bar nor less than
A). 10 mm
B). 15 mm
C). 25 mm
D). 13 mm
1. Moment of inertia of a squares of side ‘b’ about an axis through its centre of gravity, is
4. A smooth cylinder lying on its convex surface remains
6. When temperature increases, viscosity of the soil __________ where its permeability_________
8. In case of reflection and refraction of electromagnetic radiation,