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__________________?

Related Mcqs:

1. 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

2. 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

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

   A. 70%
   B. 75%
   C. 80%
   D. 85%

4. The property of saturated soil mass which transmits appreciable quantities . water is called___________________?

   A. Porosity
   B. Transmissibility
   C. Permeability
   D. Discharge

5. Water available in root zone of plants, is about 50% of soil moisture content. which is always available to the plants is called________________?

   A. Effective water
   B. Soil-moisture content
   C. Capillary water
   D. All are correct

6. The process of consolidation of stabilized earth work in canal or river embankments. In this process the soil is deposited in layers of specified thickness and at a particular moisture content is called __________________?

   A. Soil stabilization
   B. Densification
   C. Compaction
   D. All are correct

7. The amount of moisture content present in the air, when it is expressed as weight per unit volume is called ________________?

   A. Humidity
   B. Absolute Humidity
   C. relative humidity
   D. All are correct

8. 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

9. 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 ___________________?

   A. 1.0
   B. 1.2
   C. 1.5
   D. 2.0

10. 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