water management MCQs – Page 3

Practise focused water management questions with marked answers for exam preparation and subject revision.

water management Mcqs
41. Water available in root zone of plants, is about 50% of soil moisture content. which is always available to the plants is called________________?
comments icon0
A. Capillary water

B. Effective water

C. Soil-moisture content

D. All are correct

42. Sediment particles smaller than 0.002 mm which do not settle in water are called____________________?
comments icon0
A. Fine silt particles

B. Colloids

C. Fine clay particles

D. All are correct

43. The weight per unit of liquid at standard Temperature and pressure is called___________________?
comments icon0
A. Specific weight

B. Capillary rise is significant

C. Mass density

D. Mass weight

44. Art of growing crops, management of live stocks, husbandry and farming is called________________?
comments icon0

A. all are correct

B. Water management

C. Agriculture

D. crop farming

45. Always flow inside the ground is ____________________?
comments icon0

A. Compressible

B. Rotational

C. Turbulent

D. Laminar
46. When the reservoir is full, the maximum compressive force in a gravity dam is produced ___________________?
comments icon0

A. Within the middle third of base

B. At the heel

C. At centre of base

D. At the toe
47. Water application efficiency increases if the plot to be irrigated is__________________?
comments icon0

A. Circular

B. Rectangle

C. Square

D. All are correct

48. Water available above the top of root zone of plants is about 15% of soil moisture contents, is mostly not available to plants celled_________________?
comments icon0
A. Hygroscopic water

B. Effective water

C. Capillary water

D. Irrigation water

49. Readily available moisture is the % of moisture that is always easily available to plant and this moisture is called _________________?
comments icon0

A. 75%

B. 70%

C. 80%

D. 85%

50. Specific gravity of a liquid is defined as the ratio of its specific weight to that of pure water and standard temperature and pressure. Therefore specific gravity is equal to ___________________?
comments icon0

A. 2

B. 1.0

C. 1.2

D. 1.5

51. An engineer who is approached by a client for the purpose of design of hydraulic structures like dam. Barrage or Regulator is called ____________________?
comments icon0

A. Irrigation Engineer

B. Chartered Engineer

C. Consulting Engineer

D. All are correct

52. The resultant pressure of water acting at ________________________?
comments icon0

A. None of these

B. H/3

C. H/2

D. 2H/3

53. The minimum moisture content at which a water drop if placed on a smooth surface of soil will not be absorbed immediately by the soil is called __________________?
comments icon0

A. Soil saturation

B. Soil moisture content

C. All are correct

D. Moisture content

54. Compressibility of a liquid is defined as vertical or contraction in volume with variation of pressure. Therefore water is considered as ___________________?
comments icon0
A. In-Compressible

B. Expandable

C. All are correct

D. Compressible

55. The last length of the river before it falls into the sea is known as __________________?
comments icon0

A. Sub-mountainous stage

B. Mountainous stage

C. trough stage

D. Delta stage
56. That part of the flow in a stream comes from sub-soil or valley, may be beneath the top surface of channel bed is called__________________?
comments icon0

A. Ground flow

B. Sub-surface flow

C. All are correct

D. Base flow
57. The depth of root zone for rice crop is about___________________?
comments icon0

A. 100 cm

B. 70 cm

C. 80 cm

D. 90 cm
58. The depth of flow at which the energy is maximum is called ____________________?
comments icon0
A. Critical depth

B. All are correct

C. Sub-critical depth

D. Super critical depth

59. The season that starts from 1st October and ends on 31st March, runs for 182 days is called __________________?
comments icon0
A. Rabi season

B. Monsoon season

C. Kharif season

D. Wheat season

60. The height from the top of the embankment to the normal water level in canal .Dam Reservoir etc, which allows for small waves to splash without over flow is called___________________?
comments icon0
A. Free board

B. Free space

C. Free end

D. Free faced