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

Related Mcqs:

1. Specific weight of a liquid is defined as the weight per unit volume at standard Temperature & pressure therefore specific weight of water of water is equal to ____________ kg/m3 in MKS system ?

   A. 990
   B. 995
   C. 999
   D. 1000

2. 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%

3. 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

4. The discharge of a well per unit draw down usually expressed as gallons or liters per minute is called ____________________?

   A. Discharge
   B. Specific volume
   C. Specific capacity
   D. All are correct

5. Volume of water that unit volume of aquifer will give up by gravity pull is called ____________________?

   A. Specific volume
   B. Specific yield
   C. Specific retention
   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 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

8. The mass per unit volume of a liquid at standard temperature and pressure is called ____________________?

   A. Specific weight
   B. Specific gravity
   C. Mass density
   D. None of these

9. When the air in a atmosphere is fully saturated with the vapours present in it, then the pressure exerted by such wet air mass will be called ____________________?

   A. Vapour pressure
   B. Saturation pressure
   C. Partial pressure
   D. Atmospheric pressure

10. 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