71. To determine the 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
i) slope of water surface at the section
ii) stage at the section
iii) current meter readings at the section
The correct answer is
72. 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
i) largest in regions of high rainfall
ii) largest in coastal areas
iii) largest in regions of scanty rainfall
The correct answer is
73. Interception losses are due to
i) evaporation
ii) transpiration
iii) stream flow
The correct answer is
i) evaporation
ii) transpiration
iii) stream flow
The correct answer is
74. The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are
i) Water pressure
ii) Self weight
iii) Uplift
iv) Pressure due to earthquake
The correct answer is
i) Water pressure
ii) Self weight
iii) Uplift
iv) Pressure due to earthquake
The correct answer is
75. If straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the area of its cross-section, is
76. If D1 and D2 are depths of water upstream and downstream of a hydraulic jump, the loss of head at the jump, is
77. For the design of major hydraulic structures on the canals, the method generally preferred to, is based on
78. The main function of a divide wall is to
79. Disposal of extra excavated earth of canals, is utilized to provide a spoil bank on
80. The duty is largest
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