Irrigation, Waterways , Hydrology Section 8
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1) Question.
To determine discharge at a section in a stream from its rating curve, the required data are
i) slope of water surface at the section
ii) stage at the section
iii) current meter readings at the section
The correct answer is
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2) Question.
Variability of rainfall is
i) largest in regions of high rainfall
ii) largest in coastal areas
iii) largest in regions of scanty rainfall
The correct answer is
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3) Question.
Lining of irrigation channels
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4) Question.
Study the following statements:
i) leaves are constructed parallel to river flow
ii) spurs are constructed parallel to river flow
iii) leaves are constructed transverse to river flow
iv) spurs are constructed transverse to river flow
The correct answer is
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5) Question.
The meander pattern of a river is developed by
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6) Question.
Lacey's regime scour depth is given by
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7) Question.
Garret's diagrams have been drawn for
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8) Question.
Seepage through foundation in an earthern dam is controlled by providing
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9) Question.
Seepage through enbankments in an earthern dams controlled by
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10) Question.
The most suitable material for the central impervious core of a zoned enbankment type dam is
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11) Question.
The elementary profile of a dam is
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12) Question.
Neglecting the effect due to earthquake forces and tail water pressure, the principal stress in a gravity dam is given by
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13) Question.
Presence of tail water in a gravity dam
i) increases the principle stress
ii) decreases the principle stress
iii) increases the shear stress
iv) decreases the shear stress
The correct answer is
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14) Question.
The maximum permissible eccentricity for no tension at the base of a gravity dam is
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15) Question.
When the reservoir is full, the maximum compressive force in a gravity dam is produced
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16) Question.
Total force due to wave action on a gravity dam acts at a height of
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17) Question.
The major resisting force in a gravity dam is
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18) Question.
Hydrodynamic pressure due to earthquake acts at a height of
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19) Question.
Horizontal acceleration due to earthquake results in
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20) Question.
The uplift pressure on the face of a drainage gallery in a dam is taken as
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