The net discharge through sewer as compared to water supplied duty accounted is about

The minimum velocity of flow in sewers should be about

The maximum flow occurs in an eggshaped sewer, when the ratio of depth of flow vertical diameter is

The distance between the top of the canal bank and top edge of the cutting is termed as

The drop manholes are generally provided in sewers for

Which of the following would help prevent escape of foul sewer gases from water closet?

Sewer pipes are made of.

The equipment used for removing paper and rags from sewers is called

A sanitary sewer is expected to run

The trap which is provided to disconnect the house drain from the street sewer is called

The openings provided along the sewer line at suitable intervals are called

The suitable cross-section of sewers to combined flow is

The lowest point of the interior of a sewer or drain at any cross section

The minimum velocity which will prevent the silting or deposition of particles of solid matter inside the sewers is

In the treatment of water lime soda process is used for removing

Lagooning is the

Which of the following is not an irrigation?

If the methyl orange alkalinity of water equals or exceed total hardness, all of the hardness is

In the design of storm sewers, time of concentration relevant of determine the

Which of the following treatments reduce the salinity of water?

In biogas plant digestion(biological process) occurs in absence of

The standard EDTA (Ethylene Diamene Tetra Acetic Acid)solution is used to determine:

Suspended Impurities Consists of:

Disease which is not a water born disease is:

Odour is meonused in terms of:

Maximum size of silt particle:

The double - mass curve technique is adopted to

The Instrument used for fixing the pipe in position for cutting and threading operation:

The solid or semi-solid waste from a house waste of food, peelings of vegetable, fruits etc is:

Another name of conservancy system is

In Indian type closet, the trap should have a minimum water seal of:

The detention period in a septic tank is:

A street sewer into which sewer from house connections pour,is called

Most common coagulant is:

One of the most commonly used formula for computing the discharge over sharp or narrow crested weirs with or with out end contraction is:

To test turbidity of polluted waterin the field.................. is used)

For the design of sewer the percentage of sewage discharge is assumed as:

In network of pipes:

Out of the following equipment........................is most suitable for the removal of gaseous pollutants:

The suitable method for forecasting population for an old developed large city is:

Back washing of rapid gravity filters, may face rough weather, due to:

Shallow horizontal tunnels constructed along the river on its bank to intercept ground water called:

The longitudinal passage left on the body of the masonry dam for inspection and collection of seepage water is:

Which canal is used to drain off water from logged areas?

Circular prestressing for water tank can be done with:

The top of a weir or spillway, is

The colour of water is measured on

Maximum consumption of water is noticed in:

The process of killing pathogenic bacteria of water borne diseases to make it safe for use in hospital is called:

For an open channel flow to takes place b/w two sections: