Q.1
A hydraulic jump is generally formed when a stream moving with
Q.2
The ratio of the head recovered to the head put in, is known as
Q.3
Pick up the incorrect statement from the following
Q.4
The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be
Q.5
Which of the following canal outlets maintains a constant discharge ?
Q.6
The normal annual precipitation at stations X, A, B and C are 700 mm, 1000 mm, 900 mm and 800 mm respectively. If the storm precipitation at three station A, B and C were 100 mm, 90 mm and 80 mm respectively, then the storm precipitation for station X will be
Q.7
The net head under which the turbine reaches its peak efficiency at synchronous speed is called
Q.8
If water table is comparatively high, the irrigation canal becomes useless, due to
Q.9
In a concrete canal the approximate permissible velocity of water should not exceed
Q.10
If V₀ is the critical velocity of a channel, its silt transporting power, according to Kennedy, is proportional to
Q.11
Pick up the correct statement from the following
Q.12
According to Khosla, the exits gradient of surface flow
Q.13
In case of non-availability of space due to topography, the most suitable spillway is
Q.14
Assertion A : To estimate the rainfall over a catchment, the number of raingauges required per unit area is large for hilly areas.
Reason R : Rainfall gradient is steep.
Select your correct answer according to the coding system given below :
Q.15
The level of the floor of a syphon aqueduct can be obtained
Q.16
F.S.L. of a canal at its head with respect to parent channel is kept
Q.17
The field capacity of a soil depends upon
Q.18
A land is said to be water-logged if its soil pores within
Q.19
The velocity of drainage water in the barrels of a syphon-aqueduct, is normally limited to
Q.20
Pick up the correct sequence of the part of a canal system from the following
Q.21
While deciding the alignment of a proposed canal taking off from a river at B, three alignments of approximately equal lengths are available. These cross a drainages at C1, C2 and C3 where drainage bed levels C1 > C2 > C3, you will provide at site C3
Q.22
If H and d are the water depth and drop in the bed level at a Sarda fall, the width B of the trapezoidal crest, is given by
Q.23
Lacey's equation for calculating flood discharge in rivers, is
Q.24
The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after
Q.25
To hold hydraulic jumps, baffle walls are provided in
Q.26
Which of the following types of falls use parabolic glacis for energy dissipation ?
Q.27
Lining of irrigation channels
Q.28
Canals taken off from ice-fed perennial rivers, are known
Q.29
Seepage through embankments in an earthen dam is controlled by
  • drainage filters
  • relief wells
  • drain trenches
  • provision of downstream berms
Q.30
Unit of runoff in M.K.S. system is
  • cubic metre/sec
  • metre/sec
  • cubic metre
  • square metre
0 h : 0 m : 1 s