Related Questions

Seepage through foundation in an earthen dam is controlled by providing
A rock toe
B horizontal blanket
C impervious cut off
D chimney drain
Tilaiya Dam, Konar dam, Maithon Dam and Panchet Hill Dam have been constructed under:
A The Narmada Valley Project
B The Damodar Valley Project
C The Krishna Valley Project
D The Mahanadi Project
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
Which of the following spillways is least suitable for an earthen dam ?
A ogee spillway
B chute spillway
C side channel spillway
D shaft spillway
For heavy embankments and dams, of height h, the depth of exploration of soil should not be less than
A $$\frac{{\text{h}}}{4}$$
B $$\frac{{\text{h}}}{2}$$
C h
D 2h
Most suitable material for highway embankments is
A granular soil
B organic soil
C silts
D clays
The side slope of embankments for a railway track is generally taken as
A 1:1
B 1.5:1
C 2:1
D 1:2
As compared to gravity dams, earthen dams
A are costlier
B are less susceptible to failure
C require sound rock foundations
D require less skilled labour
Bligh's theory of seepage assumes
A Equal weightage to the horizontal and vertical creep
B More weightage to horizontal creep than vertical creep
C Less weightage to horizontal creep than vertical creep
D Loss of head follows the sine curve
If B and d are the bed width and depth of a channel in meters, the combined losses due to evaporation and seepage in cumecs per kilometer length of the channel, is
A $$\frac{1}{{50}} \times {\left( {{\text{B}} + {\text{d}}} \right)^{\frac{2}{3}}}$$
B $$\frac{1}{{100}} \times {\left( {{\text{B}} + {\text{d}}} \right)^{\frac{2}{3}}}$$
C $$\frac{1}{{150}} \times {\left( {{\text{B}} + {\text{d}}} \right)^{\frac{2}{3}}}$$
D $$\frac{1}{{200}} \times {\left( {{\text{B}} + {\text{d}}} \right)^{\frac{2}{3}}}$$

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