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Civil Engineering Mcqs

The normal values of over flow rates for secondary sedimentation tanks, ranges between__________________?

August 15, 2021January 22, 2019 by admin
The normal values of over flow rates for secondary sedimentation tanks, ranges between__________________?

A. 25,000 to 35,000 litres/sqm/day
B. 40,000 to 50,000 litres/sqm/day
C. 50,000 to 60,000 litres/sqm/day
D. 80,000 to 10,000 litres/sqm/day

Categories Civil Engineering Mcqs, Waste Water Engineering

If the pH value of sewage is 7__________________?

August 15, 2021January 22, 2019 by admin
If the pH value of sewage is 7__________________?

A. It is acidic
B. It is alkaline
C. It is neutral
D. None of these

Categories Civil Engineering Mcqs, Waste Water Engineering

For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed________________?

August 15, 2021January 22, 2019 by admin
For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed________________?

A. 1.5
B. 2.0
C. 2.5
D. 3.0

Categories Civil Engineering Mcqs, Waste Water Engineering

Boussinesq’s equation for ascertaining unit pressure at a depth on sewers due to traffic loads, is__________________?

August 15, 2021January 22, 2019 by admin
Boussinesq’s equation for ascertaining unit pressure at a depth on sewers due to traffic loads, is__________________?

A. pt = 3H3p/2 Z5
B. pt = 2H3p/3 Z5
C. pt = 3H3p/2Z5
D. pt = 2 3p/3Z5

Categories Civil Engineering Mcqs, Waste Water Engineering

Ventilating shafts are provided to a sewer line at every__________________?

August 15, 2021January 22, 2019 by admin
Ventilating shafts are provided to a sewer line at every__________________?

A. 100 m
B. 150 m
C. 200 m
D. 300 m

Categories Civil Engineering Mcqs, Waste Water Engineering

The underground sewers are more subjected to________________?

August 15, 2021January 22, 2019 by admin
The underground sewers are more subjected to________________?

A. Tensile force
B. Compressive force
C. Bending force
D. Shearing force

Categories Civil Engineering Mcqs, Waste Water Engineering

The maximum spacing of manholes specified by Indian standard in sewers upto 0.3 m diameter is____________________?

August 15, 2021January 22, 2019 by admin
The maximum spacing of manholes specified by Indian standard in sewers upto 0.3 m diameter is____________________?

A. 20 m
B. 30 m
C. 45 m
D. 75 m

Categories Civil Engineering Mcqs, Waste Water Engineering

Facultative bacteria survive in_____________________?

August 15, 2021January 22, 2019 by admin
Facultative bacteria survive in_____________________?

A. The presence of oxygen
B. The absence of oxygen
C. Both cases A. and B.
D. Neither A. nor B.

Categories Civil Engineering Mcqs, Waste Water Engineering

The maximum diameter of sewers adopted in the designs is_______________?

August 15, 2021January 22, 2019 by admin
The maximum diameter of sewers adopted in the designs is_______________?

A. 1.0 m
B. 2.0 m
C. 3.0 m
D. 4.0 m

Categories Civil Engineering Mcqs, Waste Water Engineering

The formula V = (1/n) r2/3____________________?

August 15, 2021January 22, 2019 by admin
The formula V = (1/n) r2/3____________________?

A. Chezy’s formula
B. Bazin’s formula
C. Kutter’s formula
D. Manning’s formula

Categories Civil Engineering Mcqs, Waste Water Engineering
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