A. Soil-moisture deficiency
B. Field-moisture deficiency
C. Equivalent-moisture deficiency
D. a and b are correct
Related Mcqs:
- 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 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 - 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% - The property of saturated soil mass which transmits appreciable quantities . water is called___________________?
A. Porosity
B. Transmissibility
C. Permeability
D. Discharge - 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 - 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 - 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 - 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 - 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 - 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