Civil Engineering Mcqs | Waste Water Engineering

The digested sludge from septic tanks, is removed after a maximum period of__________________?

Byadmin January 22, 2019August 15, 2021

The digested sludge from septic tanks, is removed after a maximum period of__________________?

A. 3 years
B. 3.5 years
C. 4 years
D. 5 years

Civil Engineering Mcqs | Hydraulics and Fluid Mechanics

A liquid would wet the solid, if adhesion forces as compared to cohesion forces are_________________?

A liquid would wet the solid, if adhesion forces as compared to cohesion forces are_________________?

A. less
B. more
C. equal
D. less at low temperature and more at high temperature
E. there is no such criterion

Read More A liquid would wet the solid, if adhesion forces as compared to cohesion forces are_________________?
Civil Engineering Mcqs | Waste Water Engineering

The most efficient cross section of sewers in a separate sewerage system is__________________?

The most efficient cross section of sewers in a separate sewerage system is__________________?

A. Parabolic
B. Circular
C. Rectangular
D. New egged

Read More The most efficient cross section of sewers in a separate sewerage system is__________________?
Civil Engineering Mcqs | Waste Water Engineering

Hydraulic mean radius is_______________?

Hydraulic mean radius is_______________?

A. Mean radius of sewer
B. Difference in heads between two points in circular pipes
C. Mean of radii in a pipe line of varying cross -sections
D. Cross-sectional area/wetted perimeter

Read More Hydraulic mean radius is_______________?
Civil Engineering Mcqs | Waste Water Engineering

Which one of the following gases is most significant as air pollutant ?

Which one of the following gases is most significant as air pollutant ?

A. Carbondioxide
B. Oxygen
C. Nitrogen
D. Sulphur-dioxide

Read More Which one of the following gases is most significant as air pollutant ?
Civil Engineering Mcqs | Waste Water Engineering

A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is____________________?

A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is____________________?

A. 100
B. 1000
C. 5000
D. 10000

Read More A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is____________________?
Civil Engineering Mcqs | Hydraulics and Fluid Mechanics

Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be ___________________?

Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be ___________________?

A. 1000 kg
B. 4000 kg
C. 2000 kg
D. 8000 kg
E. 16000 kg

Read More Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be ___________________?