Practice Test: Question Set - 11
1. The theory of infiltration capacity was given by
- (A) Merrill
Bernard
- (B) W.W. Horner
- (C) Le-Roy K.
Shermen
- (D) Robert E.
Horten
2. If the R.L’s of canal bed level and high flood level of drainage are 212.0 m and 210.0 m respectively, then cross drainage work will be
- (A) Aqueduct
- (B) Super-passage
- (C) Syphon
- (D) Syphon
aqueduct
3. Absolute humidity in air
- (A) Decreases
at higher altitudes
- (B) Increases
at higher altitudes
- (C) Remains
constant at all altitudes
- (D) None
of these
4. A hydraulic jump in a control meter will be formed above the control, if its original
- (A) Depth
is more than critical depth
- (B) Depth
is less than the critical depth
- (C) Depth
is equal to critical depth
- (D) None of
these
5. Pick up the incorrect statement from the following:
- (A) The
rate of flow of water through a unit cross-sectional area under a unit
hydraulic gradient, is called coefficient of permeability
- (B) The
rate of flow of water through a vertical strip of the aquifer of unit width and
full depth under a unit hydraulic gradient, is called coefficient of
transmissibility
- (C) The
flow of water through aquifers, is governed by the Darcy's law
- (D) The
term 'transmissibility' was introduced by Meinzer
6. Variability of rainfall is
(i) Largest
in regions of high rainfall
(ii) Largest
in coastal areas
(iii)
Largest in regions of scanty rainfall
The correct
answer is
- (A) Only (i)
- (B) (i) and (ii)
- (C) Only (iii)
- (D) (ii) and
(iii)
7. For calculating the evaporation rate over a reservoir surface
E =
0.771 (1.465 - 0.00732B) (0.44 - 0.007375 V) (pe - pa),
the equation is given by
- (A) Roohwer's,
formula in M.K.S.
- (B) Roohwer's
formula in F.P.S.
- (C) Dalton's
formula in F.P.S.
- (D) Dalton's
formula in M.K.S.
8. In a chute spillway, the flow is usually
- (A) Uniform
- (B) Subcritical
- (C) Critical
- (D) Super
critical
9. The polythene bottles are used for collecting rain water and. their capacities is
- (A) 2
litres
- (B) 4 litres
- (C) 10 litres
- (D) All
the above
10. Tortuosity of a meandering river is the ratio of
- (A) Meander
belt to meander length
- (B) Meander
length to meander belt
- (C) Curved
length along the channel to the direct axial length of the river reach
- (D) Direct
axial length of the river reach to curved length along the channel
11. The best instrument for measuring the velocity of a stream flow is
- (A) Pitot tube
- (B) Price's
current meter
- (C) Surface
float
- (D) Sub-surface
float
12. Time of overland flow, is affected by
- (A) Slope
of the basin
- (B) Type
of the ground surface
- (C) Length
of the flow path
- (D) All
the above
13. For high flood estimates the average value of the constant C in Dicken's formula Q =CA3/4, is
- (A) 6.5
- (B) 8.5
- (C) 9.5
- (D) 11.5
14. Pick up the correct statement from the following:
- (A) The
amount of water retained on the surface of soil grains by molecular attraction,
is known as pellicular water
- (B) The
degree of resistance to movement of the pellicular water generally expressed by
the surface tension
- (C) The
pellicular water held in any soil, is called field capacity
- (D) All
the above
15. A runoff river plant
- (A) Is
a medium head scheme
- (B) Generates
power during peak hours only
- (C) Is
suitable only on a perennial river
- (D) Has no
pondage at all
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