For ensuring quality of concrete, use ______

M 10 grade of concrete approximates

Permissible compressive strength of M 300 concrete grade is

Biochemical Oxygen Demand (BOD) of sewage is the _____

The standard sand now a days used in India, is obtained from _______

The waste stabilization ponds can be

The source of surface water is from ______

In two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is

Colours of fresh and septic sewage respectively are ______

The source of surface water is from ______

The total domestic consumption in a city water supply is assumed as

A water supply scheme has to be designed for a city having a population of 1,00,000. If annual average daily consumption of water is 250 lpcd, then maximum daily draft will be

The distribution system configuration shown in the figure given is called

Under natural conditions of flow, an unpolluted river would contain ______

Pathogenic bacteria, enter wastewaters, primarily from _____