Hydrology and Ground Water

111. Pressure exerted by fully saturated air, is known

1. Partial pressure
2. Saturation pressure
3. Saturation vapour pressure
4. Both (c) and (d) of the above

View answer

112. Prof. Running suggested the method for extending the discharge curve. It is known as

1. Logarithmic method
2. method
3. General method
4. None of these

View answer

113. Rain simulators are used for the determination of

1. Evaporation
2. Precipitation
3. Run off
4. Infiltration capacity

View answer

114. Relative humidity is the ratio of actual vapour pressure to the saturation vapour pressure

1. At the same temperature
2. At the same pressure
3. In the same volume
4. In the atmosphere

View answer

115. respectively, then cross drainage work will be

1. aqueduct
2. Super-passage
3. Syphon
4. Syphon aqueduct

View answer

116. River training for depth is achieved by

1. Groynes
2. Construction of dykes or leaves
3. Both (A) and (B)
4. Groynes and bandalling

View answer

117. Run off includes

1. Precipitation over catchment area of the stream and its attributaries
2. Surface run off
3. Ground water flow
4. All the above

View answer

118. Runoff is measured in

1. Cubic metres
2. Cubic metres per sec.
3. Cubic metres per minute
4. Cubic metres per hour

View answer

119. Ryve's formula for flood estimate in cumecs, is

1. Q = CA3/4
2. Q = CA2/3
3. Q = CA1/2
4. Q = CA1/4

View answer

120. Seepage through embankments in an earthen dam is controlled by

1. Drainage filters
2. Relief wells
3. Drain trenches
4. Provision of downstream berms

View answer