The ratio of unit of force in gravitational system to that in absolute system is________?

The hydrometer method of sedimentation analysis differs from the pipette analysis mainly in________?

The normal value of over flow rates for plain primary sedimentation tanks, ranges between________?

When semaphore and warner are installed on the same post, then the stop indication is given when________?

For a constant value of coefficient of lateral friction, the value of required super-elevation increases with________?

The two point problem and three point problem are methods of________?