"Groundwater" quality is dependent on:
Question 1 options:
Underground storage tank spill or leak
Ocean water intrusion
Aquifer minerals
Surface runoff
Which of the following irrigation method is more water efficient?
Question 2 options:
Sheet irrigation
Water wheels
Furrow irrigation
Ground sprinkler irrigation
Which of the following statement is NOT correct about water in soil?
Question 3 options:
water drain faster in sandy soils
water permeability in clayed soils is not high
nutrient leaching with soil water is insignificant in sandy soils
All are correct
Soil porosity is:
Question 4 options:
water volume in the soil
pore and grain volume in the soil
water volume percentage in the soil
pore volume percentage in the soil
Natural soil is typically classified by:
Question 5 options:
pore size
pore volume
water content
grain size
Which of the following is an ex situ/an out-field remediation?
Question 6 options:
Extraction Wells
underground-injection
Vapor Extraction
Permeable Reactive Barriers
Compare water table with piezometric surface:
Question 7 options:
Both physically present in the subsurface
Both separate the saturated from unsaturated zones
Both physically present in the ground
Both have static water flowing on the surface
Which of the following mineral formations tend to developthe lowest permeability?
Question 8 options:
Silt and Gravel
Crystalline Rocks
Sandstone
Limestone
Which of the following statement is true about soil water measurement?
Question 9 options:
The gravimetric method creates a disturbance on soil and vegetations growing in the soil
Neutron probe is a tool that can only measure water while the soil is relatively wet
Tensiometer is able to measure the water in soil under most conditions
None of above is correct
How much water is stored in an aquifer of 2.0 m2cross-sectional area, depth of 2.5 m, porosity of 0.46, and specific yield of 0.21?
Question 10 options:
2.3 m3
0.48 m3
1.05 m3
5.0 m3