A. 30,000
B. 35,000
C. 40,000
D. 45,000
Related Mcqs:
- Water logging is the state of the soil where the water table brought ______________capacity or root zone of plants?
A. Far from
B. Within
C. Below
D. Near - Water logging caused by ____________ water, which during excessive irrigation percolates down and join under ground water table?
A. Capillary
B. Hygroscopic
C. Gravity
D. Free - The field capacity is the water retained by a saturated soil after free drainage of surplus water to the ground water table but the water retained by a saturated soil after being centrifuged by a centrifugal force of 1000 times that of gravity is called________________?
A. Soil moisture
B. Equivalent moisture
C. Field moisture
D. Available moisture - The field capacity is the amount of water retained by a saturated soil mass after being acted by gravity. The amount of water required to bring the soil moisture content of that soil up to field capacity is called__________________?
A. Soil-moisture deficiency
B. Field-moisture deficiency
C. Equivalent-moisture deficiency
D. a and b are correct - 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 ___________________?
A. Archimed’s principle
B. Darcy’s law
C. Permeability law
D. Thiem’s law - Hydrology is the science which deals with the depletion and recharge of water resources yearly therefore. its knowledge is a must to _________________ properly the water resources?
A. Develop
B. Manage
C. Remodel
D. Rehabilitate - 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 __________________?
A. Soil moisture content
B. Moisture content
C. Soil saturation
D. All are correct - At the end of hydraulic structure, the upward force of sub-soil water just becomes equal to the submerged weight of soil grains Then exit gradient will be called______________?
A. Submerged exit gradient
B. Critical exit gradient
C. Balanced exit gradient
D. All are correct - An area is officially declared as drought effected if the mean Annual rain fall is less than of the annual Potential evaporation,______________?
A. 70%
B. 75%
C. 80%
D. 85% - The water particles held in soil pores of root zone by _____________ against gravity and is known as capillary water?
A. Cohesive force
B. Capillary force
C. Tension force
D. Gravity force
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