As compared to cast iron pipes, steel pipes are______________?
A. heavier
B. stronger
C. costlier
D. less susceptible to corrosion
Environmental Engineering
The layout of distribution system in which water flows towards the outer periphery is_________________?
B. dead end system
C. radial system(Correct)
D. grid iron system
Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system ?
Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system ?
A. circle method
B. equivalent pipe method
C. Hardy cross method
D. electrical analysis method
Hardy cross method of analysis of distribution system________________?
Hardy cross method of analysis of distribution system________________?
1) involves successive trials
2) takes economic aspects into account
3) is time consuming
The correct answer is?
A. only (1)
B. (1)and(2)
C. (1) and (3)
D. all are correct
The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is____________________?
The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is____________________?
A. reflux valve
B. sluice valve
C. air relief valve
D. pressure relief valve
A sewer that receives the discharge of a number of house sewers is called________________?
A sewer that receives the discharge of a number of house sewers is called________________?
A. house sewer
B. lateral sewer
C. intercepting sewer
D. submain sewer
For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be________________?
For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be________________?
A. separate system
B. combined system
C. partially combined system
D. partially separate system
If Biochemical oxygen demand (BOD. of a town is 20000 kg/day and BOD per capita per day is 0.05 kg, then population equivalent of town is_________________?
If Biochemical oxygen demand (BOD. of a town is 20000 kg/day and BOD per capita per day is 0.05 kg, then population equivalent of town is_________________?
A. 1000
B. 4000
C. 100000
D. 400000
The hydraulic mean depth (HMD. for an egg-shaped sewer flowing two-third full is_______________?
B. less than HMD when flowing full
C. greater than HMD when flowing full(Correct)
D. none of the above
Sewerage system is usually designed for_________________?
B. 25 years(Correct)
C. 50 years
D. 75 years