Written: Jan 31, 2014 1:01 PM - Feb 4, 2014 9:42 PMSubmission View
Released: Mar 5, 2014 11:07AM
Question 1 1 / 1 point
Ephemeral streams in arid climates more often lose water to groundwater and may be the
main source of groundwater recharge in some areas.
Question a) True
Question 2 1 / 1 point
On a global scale what percentage of developed aquifers are in unconsolidated materials?
Question a) 25%
Question 3 1 / 1 point
Measurement points 10m apart have a difference in hydraulic head of 5m. Given a
hydraulic conductivity of 1x10-3 m/s, and using Darcy’s Law, what is the specific
Question a) 5x10-4 m/s
b) -5x10-4 m/s
c) 2x10-3 m/s
d) -2x10-3 m/s
Question 4 1 / 1 point
Which of the following aquifer properties is not true?
Question aquifers can be categorized as either confined or
options: a) unconfined
groundwater is able to be
c) aquifers are made up of silts and
aquifers are typically recharged by rainfall in high topographic
Question 5 1 / 1 point
What is the first step in the holistic management of water resources? Question determination of inputs and
options: a) outputs
b) evaluation of water
construction of groundwater abstraction
e) prediction of impact of
Question 6 1 / 1 point
Which of the following pH values would indicate the occurrence of acid rain?
Question a) 6.5
Question 7 1 / 1 point
Which of the following is a source of organic chemical pollution?
a) domestic sewage
b) industrial waste
d) all of the above
Question 8 1 / 1 point
If the piezometric surface is 5m higher than a well, it is an artesian well.
Question a) True
Question 9 1 / 1 point
In an area with karst landscapes, what can be easily found?
Question a) pumice
c) carbonate rocks
d) topaz Question 10 1 / 1 point
If a glass of water is considered to be soft, the concentration of equivalent dissolved
CaCO3 in it should be:
Question a) <60 mg L-1
60-100 mg L-1
c) 100-150 mg L-1
d) > 150 mg L-
Question 11 1 / 1 point
The traits of this animal can potentially be used to genetically modify a cow to reduce
production of methane:
Question Sea Horse
Question 12 1 / 1 point
The lateral movement of water through soil is called:
none of the
both a) and b)
both b) and c)
Question 13 1 / 1 point
Which of the following was the main product produced in the Sydney Tar Ponds
due to the incomplete burning of carbon fuels?
Question Heavy Metals
options: Volatile Organic Compounds