Online Exam Questions Practice Civil Engineering Hydrology - Set 11 - ObjectiveBooks

Online Exam Questions Practice Civil Engineering Hydrology - Set 11

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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