Water Management Quiz 4
1 / 50
According to Khosla?s theory of seepage, the Exit gradient depends upon __________?
2 / 50
The unit of kinetic viscosity is equivalent to ____________?
3 / 50
The ratio between the actual pressure and saturation vapour present at same temperature is called_________?
4 / 50
To be more close to the actual field conditions, some times artificial rain tests conducted, the instrument used is called _________?
5 / 50
The groyne pointing downwards in the direction of flow in fiver is called________________?
6 / 50
The flow in the river due to the floods may be classified as ___________?
7 / 50
The ratio of the rate of change of discharge through out let to the rate of c./v of water level of the distributary is called_______?
8 / 50
Land containing high percentage of alkalies may be reclaimed by addition of___________?
9 / 50
The discharge over a rectangular notch is determined by ___________?
10 / 50
Art of making saline un-cultivable lands capable of re-cultivation is called._________?
11 / 50
The delta the total depth of water consumed by a crop from 1st watering when matures, the delta for rice is_________?
12 / 50
Khosla provided a seepage theory for design of Hydraulic structures called________________?
13 / 50
The down stream sloping glacis of the Hydraulic structure is made in such a way to form automatically the _____________ and dissipate the surplus energy of flowing water?
14 / 50
The area irrigated in the year and it grows crops on which water rates are leveled is called__________?
15 / 50
A type of flow in which water particles, while moving in the direction of flow, rotate about their mass centre is called _______?
16 / 50
For an economical design of gravity dam, the shear friction factor causec compression strength should lie between__________?
17 / 50
The stability analysis of earth dam founded on cohesion less silt material be made against___________?
18 / 50
Surface tension is the property of a liquid which enables it to resist tensile stress. the surface tension of water is equal to ______________ Kg/m?
19 / 50
A channel artificially constructed for water conveyance of appreciable quantities with no problem of silting and scouring is called __________?
20 / 50
Theoretical velocity of the jet at Vena Contracta is determined by ________________?
21 / 50
The ratio of specific weight of any liquid to the specific weight of water is called as _______?
22 / 50
Tanda dam is constructed on river _________?
23 / 50
According to Kennedy?s silt theory , the critical velocity is directly proportional to depth of flow ___________?
24 / 50
The Indus plain is the main agricultural producing region in the country which receives about________________m m of rain fall annually?
25 / 50
A series of vertical steps in a stream made to avoid soil scouring is called _________?
26 / 50
In high floods, to avoid spilling of flood water over the gates, a wall is provided from pond level to high Flood level. This wall spans for the entire length of regulator, rest on piers, sustain water pressure by its weight called___________?
27 / 50
The maximum rate at which the soil in given condition can absorb water is called _________?
28 / 50
A spoil bank is formed when the volume of excavated soil is _______ of embankment filling?
29 / 50
The meandering pattern of a river is developed by __________?
30 / 50
The property of liquid which controls its rate of flow is called ________?
31 / 50
Which of the following is a cash crop _________?
32 / 50
Those crops which increase the nitrogen content of the soil and hence the fertility also are called _________?
33 / 50
That rain fall which is effectively consumed by the plants to meet its consumptive needs is called________?
34 / 50
During the peak stage of river, there exist an out flow from river into the ground water reservoir, in such case river will be called _______?
35 / 50
Out/ of a well water is more than canal water because__________?
36 / 50
Torsional force does not act on __________?
37 / 50
The lower limit of factor of safety against over turning in a gravity is _____________?
38 / 50
When high flood passing down weir creating high up lift pressures and there is no flow in the canals, if such condition is taken for design and is called________?
39 / 50
A mine or tunnel for collecting seepage water in rock or dam is called __________?
40 / 50
In the initial stage of rainfall, when soil moisture available in the root zone is very low, the rate of infiltration ?
41 / 50
An area is officially declared as drought effected if the mean Annual rain fall is less than of the annual Potential evaporation,______________?
42 / 50
The depth of water in a channel, corresponding to minimum specific energy is called ________________?
43 / 50
Sterilization is the process of killing ___________ of water borne diseases, so as to make it safe for hospital use?
44 / 50
A water rise takes place on down stream of sloping glacis, when a stream of water moving with high velocity and low depth strikes another stream of flow moving with low velocity and high depth, such breakage in water surface is called______________?
45 / 50
Development of___________in river is due to meandering ?
46 / 50
The value of coefficient of discharge in comparison to cofficient of velocity is found to be __________?
47 / 50
A pipe flowing full, the liquid particles in the pipe has maximum velocity at ________?
48 / 50
Hydraulic structures are designed for a safe flow of flood. The floods which are equal in designed magnitude life of the project is called ___________?
49 / 50
The hydraulic mean depth for a circular pipe of diameter d is __________?
50 / 50
For a perfect incompressible liquid flowing in a continuous stream, the total energy of a particle remain the same, while the liquid particle move from one point to another this statement is called _________?
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