Practice Test: Question Set - 05
1. Wetted perimeter of a regime channel for a discharge of 64 cumecs as per Lacey’s theory will be
- (A) 19 m
- (B) 38 m
- (C) 57 m
- (D) 76 m
2. The equation P - Q = Te φindex for determining the infiltration capacity, was suggested by
- (A) Horton
- (B) Horner
- (C) Lloyd
- (D) Bernard
3. Which of the following canal outlets maintains a constant discharge?
- (A) Non-modular
outlet
- (B) Flexible
outlet
- (C) Rigid module
- (D) None of the
above
4. Pick up correct statement from the following:
- (A) The
air from outer portion of cyclones gets lifted for causing precipitation
- (B) The
air from central portion of cyclone's gets lifted for causing precipitation
- (C) The
air from entire surface of the cyclones gets lifted for causing precipitation
- (D) None of
those
5. Tortuosity of a meandering river is always
- (A) Equal to 1
- (B) Less than 1
- (C) Greater than
1
- (D) Less than or
equal to 1
6. Sharp crested weirs are generally used
- (A) For large
flows
- (B) For
small flows
- (C) For
streams carrying high sediment loads
- (D) For rivers
carrying floating debris
7. A runoff river plant is
- (A) A low head
scheme
- (B) A
medium head scheme
- (C) A high head
scheme
- (D) None of the
above
8. If the axial length of a drainage basin is 35 km and its form factor is 0.2, the total area of the basin is
- (A) 205 sq. km.
- (B) 215 sq. km.
- (C) 225 sq. km.
- (D) 245 sq. km.
9. Interception losses are due to
(i)
Evaporation
(ii)
Transpiration
(iii) Stream
flow
The correct
answer is
- (A) Only (i)
- (B) (i) and (ii)
- (C) (ii) and
(iii)
- (D) (i), (ii)
and (iii)
10. Pick up the correct statement from the following:
- (A) The ratio of
total volume of voids in soil aggregates to the total volume of aggregate, is
called Porosity
- (B) Water
retained by the interstices due to molecular attraction, is called pellicular
water
- (C) Sum
of the percentage of specific yield and specific retention is 100
- (D) All the
above
11. Instantaneous unit hydrograph is a hydrograph of
(i) Unit
duration
(ii) Unit
rainfall excess
(iii)
Infinitely small duration
(iv)
Infinitely small rainfall excess
The correct
answer is
- (A) (i) and (ii)
- (B) (i) and (iv)
- (C) (ii) and
(iii)
- (D) (iii) and
(iv)
12. If the loss due to friction in pipes is 4 m, the total losses in strainer and bends may be taken as
- (A) 0.10 m
- (B) 0.20 m
- (C) 0.5 m
- (D) 1.0 m
13. From the data of the rain storm shown in the below figure, the value of Windex is
- (A) 1.5 cm/hour
- (B) 2 cm/hour
- (C) 2.5 cm/hour
- (D) 3 cm/hour
14. Horizontal acceleration due to earthquake results in
- (A) Hydrodynamic
pressure
- (B) Inertia
force into the body of the dam
- (C) Both (A) and
(B)
- (D) None of the
above
15. 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
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