Q.1
Which of the following methods is used to estimate flood discharge based on high water marks left over in the past ?
Q.2
The drainage water intercepting the canal can be disposed of by passing the canal below the drainage in
Q.3
According to Bligh's creep theory, percolating water flows along
Q.4
A river training work is generally required when the river is
Q.5
A river training work is generally required when the river is
Q.6
A land is known as waterlogged
Q.7
When the reservoir is full, the maximum compressive force in a gravity dam is produced
Q.8
The maximum rainfall depth of 300 mm in 24 hours has a return period of 100 years. The probability of 24 hours rainfall equal to or greater than 300 mm occurring at least once in 10 years is given by
Q.9
Solution of Laplacian equation in three dimensions d²φ/dx² + d²φ/dy² + d²φ/dz² = 0 of water in a syphon, is done by
Q.10
In case of a trapezoidal notch fall
Q.11
The field capacity of a soil is 25%, its permanent wilting point is 15% and specific dry unity weight is 1.5. If the depth of root zone of a crop, is 80 cm, the storage capacity of the soil, is
Q.12
Fundamental momentum equation for a hydraulic jump, is
Q.13
The peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3/sec, then the peak of 4-hours unit hydrograph will be
Q.14
The "outlet discharge factor" is the duty at the head of
Q.15
If A is the area of the surface, x̅ is the depth of its C.G. from the surface of the water and ω is the density of water, then
Q.16
A water-logged land is found suitable for cultivation due to
Q.17
An outlet which maintains a constant discharge irrespective of fluctuation in the water levels of the supplying channel or water course, is known as
Q.18
If L is total length of a canal in kilometers, P is total perimeter of its lining in metres and C is the cost of lining per square metre, the additional expenditure involved on lining, is
Q.19
The state of the soil when plants fail to extract sufficient water for their requirements, is
Q.20
Pick up the incorrect statement from the following. Culturable commanded area is the gross area of an irrigation canal system less
Q.21
In gravity canals, F.S.L. is
Q.22
Which of the following types of rain gauges is used for measuring rain in remote hilly inaccessible areas ?
Q.23
Which of the following can be used as a meter fall ?
Q.24
The value of Sodium Absorption Ratio for high sodium water lies between
Q.25
If Δ is the depth of water in metres, B is the number of days of base period and D is the duty in hectare/cumec, the relationship which holds good, is
Q.26
The ratio of rate of change of the discharge of an outlet to the rate of change of the discharge of distributing channel is called
Q.27
If D is the depth of water upstream of the throat above its sill, B is the width of the throat, to achieve critical flow in an open venturi flume, the theoretical maximum flow Q, is
Q.28
If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by
Q.29
The ratio of the discharge over a trapezoidal crest to a rectangular crest of Sarda falls of identical parameters, is
Q.30
A fall in a canal bed is generally provided, if
0 h : 0 m : 1 s