Environmental Engineering Archives

As compared to cast iron pipes, steel pipes are______________?

Environmental Engineering / admin

As compared to cast iron pipes, steel pipes are______________?

A. heavier
B. stronger
C. costlier
D. less susceptible to corrosion

As compared to cast iron pipes, steel pipes are______________? Read More »

Environmental Engineering

The layout of distribution system in which water flows towards the outer periphery is_________________?

Environmental Engineering / admin

The layout of distribution system in which water flows towards the outer periphery is_________________?

A. ring system
B. dead end system
C. radial system(Correct)
D. grid iron system

The layout of distribution system in which water flows towards the outer periphery is_________________? Read More »

Environmental Engineering

Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system ?

Environmental Engineering / admin

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

Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system ? Read More »

Environmental Engineering

Hardy cross method of analysis of distribution system________________?

Environmental Engineering / admin

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

Hardy cross method of analysis of distribution system________________? Read More »

Environmental Engineering

The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is____________________?

Environmental Engineering / admin

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

The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is____________________? Read More »

Environmental Engineering

A sewer that receives the discharge of a number of house sewers is called________________?

Environmental Engineering / admin

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

A sewer that receives the discharge of a number of house sewers is called________________? Read More »

Environmental Engineering

For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be________________?

Environmental Engineering / admin

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

For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be________________? Read More »

Environmental Engineering

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_________________?

Environmental Engineering / admin

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

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_________________? Read More »

Environmental Engineering