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291.

Cess pool is not recommended by the health authorities.

Agree

Disagree

292.

Air vent pipe is not essentially required in a septic tank.

True

False

293.

The underground structure in the form of a circular or rectangular tank for the purposes of admitting sewage into it from the intercepting chamber is called a

A.	septic tank	B.	cess pool
C.	privy pit	D.	soak pit

294.

The privy pit should be located at least

A.	3 m	B.	10 m
C.	30 m	D.	50 m

295.

A septic tank is a

A.	sedimentation tank	B.	digestion tank
C.	combination of sedimentation and digestion tank	D.	aeration tank

296.

The effluents from the septic tank are discharged into

A.	soak pit	B.	drainage
C.	oxidation pond	D.	sewer

297.

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

A.	gouge	B.	scoop
C.	claw	D.	scraper

298.

The equipment used for cleaning the sewers easily is called

A.	gouge	B.	scoop
C.	claw	D.	scraper

299.

Land disposal of sewage will be favourable where

A.	the rivers run dry or have a small flow during summer	B.	rainfall is very high
C.	climate is wet and rates of evaporation is low	D.	all of the above

300.

Disposal by dilution will be suitable where

A.	there are strong forward currents	B.	there is no back currents
C.	the sewage arriving at the out fall point is fresh and non-septic	D.	all of the above