water management MCQs – Page 4

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

water management Mcqs

61. Cultivation made on small plane steps because of more steepness of the area is called __________________?
0

A. Cascade farming

B. Terrace farming

C. All are correct

D. Step farming

62. Sliding failure occurs in a solid gravity dam when____________________?
0

A. Shear friction factor Is less than 1.5

B. Resultant of all forces cuts the base at the inner middle third point

C. Ratio of over turning moments exceeds than unity

D. Resultant of all forces cuts the base of the dam out side the toe

63. An escape constructed with masonry or pitched with stones to dispose off surplus of tank or reservoir is called________________?
0

A. Bye-wash

B. Disposal channel

C. Water escape

D. paved-escape

64. Cavitation is caused by _____________________?
0

A. High velocity

B. Low pressure

C. High pressure

D. Low discharge

65. Rabi crops pertains to ___________________?
0

A. Monsoon season

B. Throughout the year

C. Summer season

D. Winter season

66. Mercury does not wet the glass because of its property of ______________________?
0

A. Capillary

B. Viscosity

C. Compressibility

D. Surface tension

67. A watershed canal __________________?
0

A. Is most suitable in hilly areas

B. Avoids the cross drainage works

C. Is generally aligned parallel to the contour of the area

D. Irrigates only on one side

68. A fluid is a substance that ____________________?
0

A. Is partially incompressible

B. Can not remain at rest under the action of any shear force

C. Can not be subjected to shear force

D. Always expands until it fills any container

69. The piezometric level of water in the well at zero discharges is called___________________?
0

A. Static water level

B. Full supply level

C. Water table

D. All are correct

70. velocity of gases is measured with a _____________________?
0

A. Barometer

B. Hot wire manometer

C. Hot wire anemometer

D. All are correct

71. if the depth of water in an open channel is greater than the critical depth, the flow is called________________?
0

A. Non-critical flow

B. Critical depth

C. Shooting flow

D. Sub-critical flow

72. The velocity in a large canal or channel measured at a depth of ___________________ gives the mean velocity using the current meter?
0

A. 0.6m

B. 0.5 depth

C. 0.5m

D. 0.6 depth

73. The delta the total water requirement of crop from the time of sowing to harvesting the delta of sugarcane is __________________?
0

A. 100cm

B. 70cm

C. 80cm

D. 120cm

74. Development of___________in river is due to meandering ?
0

A. Turbulence

B. Critical velocity

C. Cutoff

D. Delta

75. A flow in which velocity of water particles is same at all sections is called ____________________?
0

A. Steady flow

B. Compressible flow

C. Uniform flow

D. Laminar flow

76. An area is officially declared as drought effected if the mean Annual rain fall is less than of the annual Potential evaporation,______________?
0

A. 70%

B. 85%

C. 75%

D. 80%

77. Out/ of a well water is more than canal water because____________________?
0

A. Well water is used economically

B. Conveyance losses in well irrigation are less

C. Lifting of water increase cost of well water

D. Well water is clear than canal water

78. In case of silt deposition in the dam reservoir to dispose of the effectively ________________ be used?
0

A. All are correct

B. Vortex pipes

C. Silt excluders

D. Silt ejectors

79. The law that states that the discharge of sub-soil water is directly proportional to the loss of head and the area of soil sample and inversely proportional to to the length of soil sample ___________________?
0

A. Darcys law

B. Thiems law

C. Archimeds principle

D. Permeability law

80. Weep holes are provided in canal lining to _____________________?
0

A. Have drainage facility

B. Give additional anchorage against sliding

C. improve strength of lining

D. Provide water into branch canals

Previous Next

Showing 61 to 80 of 289 mcqs