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Environmental Engineering

Environmental Engineering
The minimum and maximum diameters of sewers shall preferably be

30 cm and 450 cm
15 cm and 300 cm
60 cm and 300 cm
15 cm and 100 cm

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Environmental Engineering
The suitable layout of a distribution system for irregularly growing town is

Ring system
Dead end system
Grid iron system
Radial system

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Environmental Engineering
A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called

Sub-main sewer
Lateral sewer
Main sewer
House sewer

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Environmental Engineering
An egg shaped section of sewer

Provides self cleansing velocity at low discharges
Is easy to construct
Is more stable than circular section
Is economical than circular section

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Environmental Engineering
Which of the following is not a water borne disease?

Typhoid
Cholera
Dysentery
Malaria

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Environmental Engineering
The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is

Pressure relief valve
Air relief valve
Reflux valve
Sluice valve

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MORE MCQ ON Environmental Engineering

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