Multiple Choice Questions 1. A river at location X along its length has a discha
ID: 105570 • Letter: M
Question
Multiple Choice Questions
1. A river at location X along its length has a discharge of 1,130 cubic feet a width of 30 feet. The velocity of the river is:
a) 9.7 seconds per feet, b) 12.1 grams per liter, d) 4.7 feet per second, e) 15.3 seconds per feet.
2. Upstream from location X in question 1. The discharge would be:
a) greater. b) the same. c) less, d) artesian, c) none of the above.
3. Downstream from location X in question 1, the amount of load would be:
a) greater, b) the same, a) less, d) equal to the velocity of the river, e) equal to the total amount of dissolved ions.
4. Which of the following is not a source of pollution that affects the quality of Susquehanna River water in our region?
a) abandoned coal mines, b) agricultural fertilizer c) combined sewer and storm water system, d) erosion of farmland, e) sinkholes in carbonate rock.
5. The water table marks:
a) the upper limit at which all pore spaces are filled with water,
b) the lower limit at which all pore spaces are filled with water
c) the zone in which the pore spaces are filled with air; d) thc zone in which permeability is a minimum
e) flood stage in a river.
6. Which river occurs within the Mississippi River drainage area?
a) Amazon, b) Delaware, c) Columbia, d) Susquehanna, e) Missouri
7. The isotopic record that tested the Milankovitch theory for Pleistocene glaciation was revealed by:
a) organic material in glacial till
b) ice core recovered in Antarctica
c) quartz. deposited during sea level rise
d) earth's magnetic field 2 million years ago
e) marine plankton accumulated on seafioor.
8. The destructive force of an earthquake depends on all the following except:
a) the magnitude of the earthquake
b) the composition and texture of rock in the vicinity of the earthquake
c) the depth of an earthquake
d) the distance from a tectonic boundary
e) the design of buildings.
9. The global distribution of earthquake epicenters:
a) are randomly distributed across the continents and ocean basins
b) show the shapes and sizes of tectonic plates,
c) are concentrated near the earth's poles,
d) are concentrated in the ancient cores of continents,
e) shows the depth socks top of the subduction zones.
10. The river that supplies half of the freshwater to Chesapeake Bay is the;
a) Missouri b)Nile c) Susquehanna, d) Alleghany e) Rio Grande.
Explanation / Answer
1a)
Q=aV
where
Q is discharge in cubic feet per second,
a is cross-sectional area in square feet,
and
V is velocity in feet per second.
2b)
3a)
4c)
5a)
6 e)
7 e)
8 b)
9 d)
10) c)
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