Water Resources Engineering - I Mid - II, November - 2014

1.Crops rotation means
  • Giving rest to cultivable land
  • Adding manure to land
  • Shifting of crop to replant in other land
  • Growing different crops in successive seasons
Answer: D
2.Most fertile soil
  • Black soil
  • Alluvium
  • Laterite soil
  • Red soil
Answer: B
3.Irrigation is needed where rain fall is
  • Abundant
  • Scarce
  • Just enough and timely
  • All the above
Answer: B
4.A self recording rain gauge records
  • Snow melt
  • Cloud cover
  • Rainfall intensity
  • Cumulative depth of rainfall
Answer: D
5.Furrow irrigation is
  • Very common
  • Unaffordable
  • Unpopular
  • Highly skilled
Answer: A
6.The purpose of canal lining is
  • To control seepage
  • To stop evaporation
  • To make economical
  • To flow in line
Answer: A
7.Kennedy’s critical velocity formula was derived only in terms of
  • Depth of flow
  • Seepage
  • Depth of silt
  • Depth of scour
Answer: A
8.As per recommendations of IS, the shape of the canal is
  • Semicircular
  • Semi elliptical
  • Rectangular
  • Trapezoidal
Answer: D
9.The area where irrigation is a must for agriculture is called as
  • Arid region
  • Tropical region
  • Desert
  • Forest
Answer: A
10.One of the methods adopted for finding discharge over a catchment
  • SCS curve method
  • Unit hydrograph method
  • Lacey’s method
  • Mass curve method
Answer: A
11.______________ is a phenomenon rendering the soil unproductive and infertile due to excessive moisture and creation of anaerobic conditions.
Answer: Water logging
12._________________ is a relationship between the amount of water and the area over which this amount of water is applied to the crop.
Answer: Duty
13.Application of water to crops to meet water deficiency during crop production is called as __________.
Answer: Irrigation
14.Precipitation includes ____________________.
Answer: Rain fall, snow fall, mist and fog
15.The level upto which water is generally stored in a reservoir is called as ____________________.
Answer: F.R.L
16.Over irrigation results in ________________________.
Answer: Water logging
17.Rabi crop pertains to ____________________ season.
Answer: Winter
18.________________ is used to estimate discharge through streams.
Answer: Stream gauging
19.The phenomenon of changing the form of some water to vapour is called as _______________.
Answer: Evaporation
20.The canal section is said to be economical when the ________________.
Answer: Quantity of earth excavated is equal to quantity of earth needed for filling