Environmental Engineering QUESTIONS AND ANSWERS

Civil Engineering : Environmental Engineering QUESTIONS AND ANSWERS :: part4 : 11 to 15

Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

11.Scour valves are provided

at street corners to control the flow of water

at every depression and dead ends to drain out the waste water that may collect there

at the foot of rising main along the slope to prevent back running of water

at every summit of rising mains

12.The time of concentration is defined as

the time taken by rainfall water to run from most distant point of water shed to the inlet of sewer

the time required for flow of water in sewer to the point under consideration

sum of (a) and (b)

difference of (a) and (b)

13.Average rate of water consumption perhead per day as per Indian Standard is

100 litres

135 litres

165 litres

200 litres

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

house sewer

lateral sewer

main sewer

submain sewer

15.The minimum and maximum diameters of sewers shall preferably be

15 cm and 100 cm

15 cm and 300 cm

30 cm and 450 cm

60 cm and 300cm

More Environmental Engineering QUESTIONS AND ANSWERS available in next pages

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