Related Questions

Seepage through embankments in an earthen dam is controlled by
A drainage filters
B relief wells
C drain trenches
D provision of downstream berms
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
The loose pockets in soil mass can be bridged safely by providing a raft foundation provided the soft area is smaller than
A The column spacing
B One-third the column spacing
C Half the column spacing
D Three-fourth the column spacing
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
If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of weight 'w' per unit volume, the minimum depth (h) of the foundation from the free surface of the earth, is
A $${\text{h}} = \frac{{\text{W}}}{{{\text{Aw}}}}\left$$
B $${\text{h}} = \frac{{\text{W}}}{{{\text{Aw}}}}\left$$
C $${\text{h}} = \frac{{\text{W}}}{{{\text{Aw}}}}{\left^2}$$
D $${\text{h}} = \sqrt {\frac{{\text{W}}}{{{\text{Aw}}}}} {\left^2}$$
Unofficial, and usually illegal, system of providing people with more then their share of goods and services where their prices are controlled, is called
A black money
B blue chip
C black market
D black economy
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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