☰ Hydrology (Civil Engineering) - MCQs

These are four options provided for the answers of the question only one option is right answer. You have to click any of the option to check your answer. You can also directly see the answer from the answer link below. if you want to see explaination of the answer you can click discuss link.
Q19.

What is the evaporation, if 4.75 litre of water is removed from an evaporation pan diameter 1.22m and simultaneous rainfall measurement is 8.8 mm ?

  • A. 8.64 mm
  • B. 7.24 mm
  • C. 5.34 mm
  • D. 4.74 mm

    ✍ Discuss    
Q20.

What is the evaporation, if 4.75 litre of water is removed from an evaporation pan diameter 1.22m and simultaneous rainfall measurement is 8.8 mm ?

  • A. 8.64 mm
  • B. 7.24 mm
  • C. 5.34 mm
  • D. 4.74 mm

    ✍ Discuss    
Q21.

If wind velocity at a height of 2m above the ground is 15 km/h then velocity at a height og 10 m above the ground will be :

  • A. 19 km/h
  • B. 78 km/h
  • C. 3 km/h
  • D. 50 km/h

    ✍ Discuss    
Q22.

The based period of a 6 h unit hydrograph of a basin is 84 h. Then a 12 h hydrograph derived from the 6 h unit hydrograph will have a base period of :

  • A. 90 h
  • B. 78 h
  • C. 42 h
  • D. 168 h

    ✍ Discuss    
Q23.

If a tengent drawn parallel to the demand line from a ridge point of a flow mass curve does not intersect the mass curve again, it represents that :

  • A. runoff inflow into the reservoir cannot meet the demand as reservoir will not be full again
  • B. reservoir is overflowing resulting in wastage
  • C. there is enough stream flow to meet a higher demand rate
  • D. none of these

    ✍ Discuss    
Q24.

A well with a radius of 0.5 m, completely penetrates an unconfined aquifer of thickness 50m and k=30m/day. The well is pumped sop that the water level in the well remain at 40 m above the bottom. Assuming that pumping has essentially no effect on water table at r=500 m,the steady -state discharge will be :

  • A. 150 lit/s
  • B. 160 lit/s
  • C. 142.12 lit/s
  • D. 132.32 lit/s

    ✍ Discuss