ARYAN INSTITUTE OF ENGINEERING & TECHNOLOGY BHUBANESWAR
Sem: -7th Quiz test –1 Time: -30min
Subject- Water Resources Engineering
Full Mark: -10
NAME-
REGD NO-
1. Water contains
A
one hydrogen atom and one oxygen atom
.
B
two hydrogen atoms and one oxygen atom
.
C
one hydrogen atom and two oxygen atoms
.
D
three hydrogen atoms and two oxygen atoms
.
E. two hydrogen atoms and three oxygen atoms.
2. Unit Hydrograph theory was enunciated by
A
Merril Bernard
.
B
W.W. Horner
.
C
Le-Roy K. Shermen
.
D
Robert E. Horten.
.
3. The theory of infiltration capacity was given by
A
Merrill Bernard
.
B
W.W. Horner
.
C
Le-Roy K. Shermen
.
D
Robert E. Horten.
.
4. Hydrology helps in
A
predicting maximum flows
.
B
deciding the minimum reservoir capacity
.
C forecasting the availability of quantity of water at reservoir site
.
D
predicting the effects on the river water level on completion of dams
.
E. all the above.
5. Pick up the correct statement from the following :
A
Rivers, lakes, oceans and springs get water from the rains
.
B
Rain water is obtained by evaporation from rivers, lakes and oceans
.
C
Water remains in atmosphere as vapours
.
D Hydrologic cycle is a continuous process of evaporation and precipitation of water in
. atmosphere
E. all the above.
6. The surface Run-off is the quantity of water
The surface Run-off is the quantity of water
A
absorbed by soil
.
B
intercepted by buildings and vegetative cover
.
C
required to fill surface depressions
.
D
that reaches the stream channels
.
E. that gets evaporated.
7. Pick up the correct equation from the following :
A
Run off = Surface run off + Ground water flow
.
B
Run off = Surface run off - Ground water flow
.
C
Run off = Surface run off / Ground water flow
.
D
Run off = Surface run off x Ground water flow.
.
8. Pick up the correct statement from the following :
A Rain which is intercepted by buildings, vegetations and other objects, is generally known as
. rainfall interception
B The difference between the total rainfall and intercepted rainfall, is generally called ground
. rainfall
C
When rainfall exceeds the interception rainfall, water reaches the ground and infiltration starts
.
D The maximum rate of absorbing water by the soil in any given condition, is known as infiltration
. capacity
E. All the above.
9. Pick up the correct statement from the following :
A
When rainfall rate exceeds the infiltration capacity, the water enters the soil at full capacity rate
.
B When rainfall rate is less than the infiltration capacity, the infiltration rate is approximately equal
. to the rainfall rate
C
The actual infiltration rate at any time may be equal to or less than the infiltration capacity
.
D The actual prevailing rate of infiltration of water in the soil at any time, is known as infiltration
. rate
E. All the above.
10. Infiltration capacity of soil depends upon
A
number of voids present in the soil
.
B
shape and size of soil particles
.
C
arrangement of soil particles
.
D
compaction of the soil particles
.
E. all the above.
ARYAN INSTITUTE OF ENGINEERING & TECHNOLOGY BHUBANESWAR
Sem: -7th Quiz test –II Time: -30min
Subject- Water Resources Engineering
Full Mark: -10
NAME-
REGD NO-
1.
Water is useful for
A
running hydroelectric turbines
.
B
floating the boats and ships
.
C
providing steam for running locomotives
.
D
warming dwelling units
.
E. all the above.
2.
Knowledge of hydrology is necessary for civil engineers for
A. designing and construction of irrigation structures
B. designing and construction of bridges and culverts
C. flood control works
D. all the above.
3.Pick up the correct statement from the following :
A
Yield of a drainage basin is the run off at any time
.
B
Yield of a drainage basin is the run off over long periods
.
C
Yield of a drainage basin is expressed as surface run off per year
.
D
Run off is expressed as total volume per day
.
E
None of these.
.
4.Dicken's formula for high flood estimate, is useful only for the catchments in
A
Southern India
.
B
Northern India
.
C
Eastern India
.
D
Western India.
.
5. Run off includes
A
precipitation over catchment area of the stream and its attributaries
.
B
surface run off
.
C
ground water flow
.
D
all the above.
.
6. Isopiastic lines are the contours
A
drawn to represent water table
.
B
drawn to represent piezometric heads
.
C
drawn to piezometric surface
.
D none of these
.
7.The coefficients of permeability of soils of an unconfined aquifer and another confined
aquifer were determined by pumping water from the wells and observing the effect of
water table in two test wells at equal distances was found to be equal. The total height of
confined aquifer H is given by
A
H = h2 - h1
.
B
H = h1 - h2
.
C
H = h2 + h1
.
D
. (h1 + h2)
8.The radius of influence is
A
radius of the main well
.
B
distance from the wall of main well to the point of zero draw down
.
C
distance from the centre of main well to the point of zero draw down
.
D
none of these.
.
9. When a constant discharge 2.91 litres/sec. was obtained in a pumping test, the draw
downs in the test wells at 3 m and 6.184 m were 2.6 m and 0.3 m respectively. If over-all
depth of the pumping well was 16 m, the permeability of the soil, is
A
0.0005 cm/sec
.
B
0.001 cm/sec
.
C
0.002 cm/sec
.
D
0.01 cm/sec.
.
10 In estimating the rate of evaporation from the reservoir surface, a pan 1.5 metres in
diameter, was filled upto 8.0 cm. During a specified period of time, the rainfall recorded
was 5 cm. 3 cm of water was removed from the pan to keep the depth of water. At the end
of the time, the depth was 9 cm. If the pan coefficient is 0.6, the evaporation loss is
A
2 mm
.
B
4 mm
.
C
6 mm
.
D
6 mm.
.
