Q.1

Burge formula cumecs is based upon

  • rainfall and drainage area
  • run off and drainage area
  • drainage area and its shape
  • drainage area.
Q.2

Pick up the correct statement from the following :

  • Perched aquifer is found in unconfined aquifer
  • The top surface of the water held in the perched aquifer, is known as perched water table
  • Perched aquifer is formed in unfined accquifer if an impervious layer exists
  • All the above.
Q.3

The rate of evaporation from reservoirs may be determined by

  • pan-measurement method
  • empirical formulae
  • storage equation method
  • energy budget method
  • all the above.
Q.4

The radius of influence is

  • radius of the main well
  • distance from the wall of main well to the point of zero draw down
  • distance from the centre of main well to the point of zero draw down
  • none of these.
Q.5

A hydraulic jump in a control meter will be formed above the control, if its original

  • depth is more than critical depth
  • depth is less than the critical depth
  • depth is equal to critical depth
  • none of these.
Q.6

Consumptive use of a crop during growth, is the amount of

  • interception
  • transpiration
  • evaporation
  • all the above.
Q.7

Water contains

  • one hydrogen atom and one oxygen atom
  • two hydrogen atoms and one oxygen atom
  • one hydrogen atom and two oxygen atoms
  • three hydrogen atoms and two oxygen atoms
  • two hydrogen atoms and three oxygen atoms.
Q.8

In nature water may occur as

  • liquid
  • solid
  • vapours
  • all the above.
Q.9

Prof. Running suggested the method for extending the discharge curve. It is known as

  • Logarithmic method
  • y method
  • General method
  • None of these.
Q.10

Pick up the correct statement from the following :

  • Rain which is intercepted by buildings, vegetations and other objects, is generally known as rainfall interception
  • The difference between the total rainfall and intercepted rainfall, is generally called ground rainfall
  • When rainfall exceeds the interception rainfall, water reaches the ground and infiltration starts
  • The maximum rate of absorbing water by the soil in any given condition, is known as infiltration capacity
  • All the above.
Q.11

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

  • cyclonic precipitation
  • convective precipitation
  • orographic precipitation
  • none of these.
Q.12

Pick up the correct statement from the following :

  • The portion of pellicular water which remains unutilised, is called hygroscopic water
  • The moisture content at which permanent wilting of plants takes place, is called the wilting point
  • The path of the water required to bring the soil moisture content of a soil up to its field capacity is called soil moisture deficiency
  • The moisture deficiency will be different at different points
  • All the above.
Q.13

For calculating the evaporation rate over a reservoir surface E = 0.(1.- 0.B) (0.- 0.V) (pe - pa), the equation is given by

  • Roohwer's, formula in M.K.S.
  • Roohwer's formula in F.P.S.
  • Dalton's formula in F.P.S.
  • Dalton's formula in M.K.S.
Q.14

Unit Hydrograph theory was enunciated by

  • Merril Bernard
  • W.W. Horner
  • Le-Roy K. Shermen
  • Robert E. Horten.
Q.15

Hydrology is the science which deals with

  • rain water
  • river water
  • sea water
  • surface and underground water
  • flood water.
Q.16

If y is the depth of water at any section, then the mean velocity is

  • 0.1 y
  • 0.2 y
  • 0.3 y
  • 0.5 y
  • 0.6 y.
Q.17

The surface Run-off is the quantity of water

  • absorbed by soil
  • intercepted by buildings and vegetative cover
  • required to fill surface depressions
  • that reaches the stream channels
  • that gets evaporated.
Q.18

The standard height of a standard rain gauge, is

  • 10 cm
  • 20 cm
  • 30 cm
  • 50 cm.
Q.19

The main factor which affects the infiltration capacity, is

  • thickness of saturated layer
  • depth of surface detention
  • soil moisture
  • all the above.
Q.20

For the estimate of high floods in fan-shaped catchment, the formula used is

  • Dicken's formula
  • Ryve's formula
  • Inglis formula
  • none of these.
Q.21

The theory of infiltration capacity was given by

  • Merrill Bernard
  • W.W. Horner
  • Le-Roy K. Shermen
  • Robert E. Horten.
Q.22

The surface run off is due to

  • initial rain
  • residual rain
  • rain in the net supply interval
  • all the above.
Q.23

The run off is affected by

  • type of precipitation
  • rain intensity and duration of rainfall
  • rain distribution and soil moisture deficiency
  • direction of prevailing storm
  • all the above.
Q.24

Pick up the correct equation from the following :

  • Run off = Surface run off + Ground water flow
  • Run off = Surface run off - Ground water flow
  • Run off = Surface run off / Ground water flow
  • Run off = Surface run off x Ground water flow.
Q.25

In India, rain fall is generally recorded at

  • 8 A.M.
  • 12 Noon
  • 4 P.M.
  • 8 P.M.
Q.26

According to Robert E. Horton, the equation of infiltration capacity curve, is (where letters carry their usual meanings)

  • f = fc (fo - fc) ekt
  • f = ft - (fo - fc) e-kt
  • f = ft + (fo - fc) e-kt
  • f = f + (fo - fc) ekt
Q.27

Hydrology helps in

  • predicting maximum flows
  • deciding the minimum reservoir capacity
  • forecasting the availability of quantity of water at reservoir site
  • predicting the effects on the river water level on completion of dams
  • all the above.
Q.28

Hydrograph is a graphical representation of

  • surface run off
  • ground water flow
  • rain fall
  • discharge flowing in the river
  • none of these.
Q.29

The initial basin recharge is equal to

  • interception
  • depression storage
  • rain absorbed by the moisture deficiency
  • all the above.
Q.30

Infiltration capacity of soil depends upon

  • number of voids present in the soil
  • shape and size of soil particles
  • arrangement of soil particles
  • compaction of the soil particles
  • all the above.
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