Civil Engineering Mcqs

Main purpose of mean water training for rivers is________________?

(A) flood control
(B) to provide sufficient depth of water in navigable channels, during low water periods
(C) to preserve the channel in good shape by efficient disposal of suspended and bed load
(D) all of the above

Submitted By :Ali Uppal

The flow of water after spilling over the weir crest in chute spillway and side channel spillway respectively are_________________?

(A) at right angle and parallel to weir crest
(B) parallel and at right angle to weir crest
(C) parallel to weir crest in both
(D) at right angle to weir crest in both

Submitted By :Ali Uppal

Coefficient of discharge of an ogee spillway________________?

(A) depends on depth of approach and upstream slope
(B) depends on downstream apron interference and downstream submergence
(C) remains constant
(D) both (A) and (B)

Submitted By :Ali Uppal

In case of non-availability of space due to topography, the most suitable spillway is________________?

(A) straight drop spillway
(B) shaft spillway
(C) chute spillway
(D) ogee spillway

Submitted By :Ali Uppal

For the upstream face of an earthen dam, the most adverse condition for stability of slope is_______________?

(A) sudden drawdown
(B) steady seepage
(C) during construction
(D) sloughing of slope

Submitted By :Ali Uppal

The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be________________?

(A) 50 mm
(B) 60 mm
(C) 90 mm
(D) 140 mm

Submitted By :Ali Uppal

The best unit duration of storm for a unit hydrograph is________________?

(A) 1 hour
(B) one-fourth of basin lag
(C) one-half of basin lag
(D) equal to basin lag

Submitted By :Ali Uppal

The unit hydrograph of a specified duration can be used to evaluate the hydrograph of storms of_________________?

(A) same duration only
(B) same and shorter duration
(C) same and longer duration
(D) any duration

Submitted By :Ali Uppal

The relation between probability (P) and recurrence interval (T) is given by_________________?

(A) PT = 1
(B) PT2 = 1
(C) P/T = 1
(D) P/T2 = 1

Submitted By :Ali Uppal

If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by_______________?

(A) T = kd
(B) T = k/d
(C) T= Vkd
(D) k= VTd

Submitted By :Ali Uppal

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