In normal conditions, the period for sludge digestion, is________?

A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is________?

The basic requirement of any sensor system is________?

H V are the algebraic sums of the forces resolved horizontally and vertically respectively, M is the algebraic sum of the moments of forces about any point, for the equilibrium of the body acted upon________?

For a given velocity of a projectile, the range is maximum when the angle of projection is________?

The limiting value of cant gradient for all gauges is________?