Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by whitelisting our website.

Civil Engineering Mcqs

weight of water, the hydraulic mean depth of the sewer and the bed slope w is the unit of the sewer, then the tractive force exerted by flowing water, is________________________?

Civil Engineering Mcqs, Waste Water Engineering /
weight of water, the hydraulic mean depth of the sewer and the bed slope w is the unit of the sewer, then the tractive force exerted by flowing water, is________________________?

A. w r S S
B. w r1/2
C. w r S
D. w r2/3

weight of water, the hydraulic mean depth of the sewer and the bed slope w is the unit of the sewer, then the tractive force exerted by flowing water, is________________________? Read More »

Civil Engineering Mcqs, Waste Water Engineering

The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is________________?

Civil Engineering Mcqs, Waste Water Engineering /
The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is________________?

A. d² (0.011d + 0.785H)/Q
B. d (0.022d + 0.085H)/Q
C. d (0.785d + 0.011H)/Q
D. d (0.285d + 0.011H)/Q

The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is________________? Read More »

Civil Engineering Mcqs, Waste Water Engineering

Assertion A.: A free board of 0.3 m is provided above the top sewage line in septic tanks. Reason (R): It helps to accommodate the scum in the septic tank_________________?

Civil Engineering Mcqs, Waste Water Engineering /
Assertion A.: A free board of 0.3 m is provided above the top sewage line in septic tanks. Reason (R): It helps to accommodate the scum in the septic tank_________________?

A. Both A and R is true and R is the correct explanation of A
B. Both A and R is true but R is not a correct explanation of A
C. A is true but R is false
D. A is false but R is true

Assertion A.: A free board of 0.3 m is provided above the top sewage line in septic tanks. Reason (R): It helps to accommodate the scum in the septic tank_________________? Read More »

Civil Engineering Mcqs, Waste Water Engineering

In a residential colony, sewers of diameters 100 mm, 150 mm and 225 mm were laid with a gradient 1 in 120. Which portion of the sewage system does not choke in due course of time?

Civil Engineering Mcqs, Waste Water Engineering /
In a residential colony, sewers of diameters 100 mm, 150 mm and 225 mm were laid with a gradient 1 in 120. Which portion of the sewage system does not choke in due course of time?

A. 100 mm dia.
B. 150 mm dia.
C. 225 mm dia.
D. All of these

In a residential colony, sewers of diameters 100 mm, 150 mm and 225 mm were laid with a gradient 1 in 120. Which portion of the sewage system does not choke in due course of time? Read More »

Civil Engineering Mcqs, Waste Water Engineering

If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is_______________?

Civil Engineering Mcqs, Waste Water Engineering /
If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is_______________?

A. D’ = 0.64 D
B. D’ = 0.74 D
C. D’ = 0.84 D
D. D’ = 0.94 D

If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is_______________? Read More »

Civil Engineering Mcqs, Waste Water Engineering