The ratio of average velocity to maximum velocity for steady laminar flow in circular pipes is________?

Agate cap is fitted with a________?

For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be________?

Design period of 40 to 50 years is adopted for________?

The process of determining the value or worth of a physical property for specific reason is called ________?

Aeration of water is done to remove________?