Groundwater and wells

Question 1

What is the upper boundary of the unconfined aquifer called?

Answer 1

Phreatic surface

Question 2

what is the gage pressure at the upper boundary of a unconfined aquifer?

Answer 2

Zero

Question 3

For unconfined aquifers, Transmissivity is equal to ?

Answer 3

the product of the hydraulic conductivity of the aquifer material and the aquifer thickness

Question 4

Artesian well are usually from what type of aquifer?

Answer 4

Confined aquifers

Question 5

When are the pores in the phreatic zone of an aquifer saturated?

Answer 5

ALWAYS

Question 6

Where is the vadose zone in relation to the water table?

Answer 6

Vadose zone is ABOVE the water table

Question 7

Darcy’s law is used to describe?

Answer 7

the groundwater movement

Question 8

Darcy’s law assumes Reynolds number is equal to?

Answer 8

less than 200

Question 9

in a new tube well, the length of the screen section should be equivalent to?

Answer 9

the productive layers in the aquifer

Question 10

What kind of aquifer can you use DUPUITs equation

Answer 10

In an unconfined aquifer