Hydrology and Ground Water

101. Phytometer method is generally used for the measurement of

1. Interception
2. Evaporation
3. Transpiration
4. None of these

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102. Pick up correct statement from the following:

1. The air from outer portion of cyclones gets lifted for causing precipitation
2. The air from central portion of cyclone's gets lifted for causing precipitation
3. The air from entire surface of the cyclones gets lifted for causing precipitation
4. None of those

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103. Pick up the correct equation from the following:

1. Run off = Surface run off + Ground water flow
2. Run off = Surface run off - Ground water flow
3. Run off = Surface run off / Ground water flow
4. Run off = Surface run off x Ground water flow

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104. Pick up the correct statement from the following:

1. The specified duration of unit hydrograph, is called unit duration
2. The rain during specified duration, is called unit storm
3. The number of unit hydrographs for a given basin, is theoretically infinite
4. All the above

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105. Pick up the incorrect statement from the following:

1. At two meteorologically homogeneous stations, the average annual precipitation is same
2. If the average annual precipitation at two places is same these are meteorologically homogeneous stations
3. Neither (a) nor (b)
4. Both (a) and (b)

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106. Precipitation caused by lifting of an air mass due to the pressure difference, is called

1. Cyclonic precipitation
2. Convective precipitation
3. Orographic precipitation
4. None of these

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107. Precipitation caused due to striking of air masses with a topographical feature, is called

1. Orographic precipitation
2. Convective precipitation
3. Cyclonic precipitation
4. None of these

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108. Precipitation caused due to upward movement of warmer air as compared to surrounding air, is called

1. Cyclonic precipitation
2. Convective precipitation
3. Orographic precipitation
4. None of these

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109. Precipitation includes

1. Rain
2. Snow
3. Hail
4. All of these

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110. Which of the following spillways is least suitable for an earthen dam?

1. Ogee spillway
2. Chute spillway
3. Side channel spillway
4. Shaft spillway

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