ELECTIVE 4 – 3RD EXAMINATION

Part 1 - MCQ

1. A type of Project that develops dam-break flood hydrographs and probable maximum flood and design-
basis flood hydrographs.
a. Hydropower Projects c. Nuclear Power Projects
b. C. Mining Projects d. Dams, Reservoirs, and Spillways
2. A type of Project that generates sequences of streamflow’s to evaluate watershed yield and the
evaluation of f pre- and post-project daily and monthly streamflow patterns.
a. Hydropower Projects c. Nuclear Power Projects
b. C. Mining Projects d. Dams, Reservoir, and Spillways
3. A type of Project that needs the Estimation of local and general storm probable maximum precipitation.
a. Hydropower Projects c. Nuclear Power Projects
b. C. Mining Projects d. Dams, Reservoir, and Spillways
4. A type of Project that needs Hydrologic analyses to determine dependability of available water supply.
a. Hydropower Projects c. Nuclear Power Projects
b. C. Mining Projects d. Dams, Reservoir, and Spillways
5. A type of Project that needs the Estimation of low streamflow’s to evaluate impacts of cooling water
withdrawal for and wastewater discharges from the power plant.
a. Hydropower Projects c. Nuclear Power Projects
b. C. Mining Projects d. Dams, Reservoir, and Spillways
6. Estimation of peak flows for design of diversion channels is a hydrological analysis used for what
project?
a. Mining Project c. Hydropower Projects
b. Dams, reservoir, and spillways d. Community development projects
7. Generation of sequences of streamflow’s to evaluate watershed yield is a hydrological analysis used
for what project?
a. Mining Project c. Hydropower Projects
b. Dams, reservoir, and spillways d. Community development projects
8. Hydrologic analyses to determine dependability of available water supply.
a. Mining Project c. Hydropower Projects
b. Dams, reservoir, and spillways d. Community development projects
9. Evaluation of pre- and post-project flooding and instream flow conditions for environmental reports.
a. Mining Project c. Hydropower Projects
b. Dams, reservoir, and spillways d. Community development projects
10. Development and routing of surface runoff hydrographs for design of sedimentation basins and tailings
ponds is a hydrological analysis used for what project?
a. Mining Project c. Hydropower Projects
b. Dams, reservoir, and spillways d. Community development projects
11. Evaluation of water supply potential of surface streams is a hydrological analysis used for what project?
a. Mining Project c. Hydropower Projects
b. Dams, reservoir, and spillways d. Community development projects
12. Estimation of surface runoff producing potential of watersheds, including snowmelt runoff.
a. Mining Project c. Hydropower Projects
b. Dams, reservoir, and spillways d. Community development projects
13. Estimation of pre- and post-mining flooding conditions for environmental reports is a hydrological
analysis used for what project?
a. Mining Project c. Hydropower Projects
b. Dams, reservoir, and spillways d. Community development projects
14. Hydrologic analyses to determine required reservoir storage is used for a ________________ project.
 a. Mining Project c. Hydropower Projects
b. Dams, reservoir, and spillways d. Community development projects
15. It is a measurement of strength of statistical evidence.
a. Null Hypothesis c. Alternate Hypothesis
b. Hypothesis Testing d. One Tailed Hypothesis
16. A hypothesis that assumes no difference between two groups.
a. Null Hypothesis c. Two Tailed Hypothesis
b. Alternate Hypothesis d. One Tailed Hypothesis
17. It is an estimate of the population mean.
a. Null Hypothesis c. Sample Mean
b. Population Mean d. Alternate Hypothesis
18. It is an average of a group characteristic.
a. Null Hypothesis c. Sample Mean
b. Population Mean d. Alternate Hypothesis
19. Allows for the possibility of an effect in one direction only.
a. One tailed Hypothesis c. Two tailed Hypothesis
b. Population Mean d. Alternate Hypothesis
20. Tests for the possibility of an effect in two direction (Positive or Negative).
a. One tailed Hypothesis c. Two tailed Hypothesis
b. Population Mean d. Alternate Hypothesis
21. The following are characteristics of a catchment except:
a. Geology c. Surface Water
b. Soil Type d. Slope
22. It is the study of movement of water and distribution of surface water.
a. Runoff c. Gumbel
b. Stream d. Surface-Water Hydrology
23. This types of runoff joins immediately to the streams.
a. Direct Runoff c. Runoff
b. Stream d. Surface-Water Hydrology
24. This types of stream shows that the base flow in the channel at least once per year.
a. Intermittent c. Runoff
b. Stream d. Pennial
25. It is the amount of precipitation, in the form of rain that descends onto the surface of Earth, whether it is
on land or water.
a. Rainfall c. Gumbel
b. Rainfall Abstraction d. Surface-Water Hydrology
26. The amount of rainfall that does not turn into runoff.
a. Rainfall c. Gumbel
b. Rainfall Abstraction d. Surface-Water Hydrology
27. This type of rainfall abstraction that can store the precipitation that otherwise would become runoff.
a. Evaporation c. Gumbel
b. Depression Storage d. Transpiration
28. This is a portion of a rain which ultimately joins streams and river.
a. Rainfall c. Runoff
b. Surface d. Catchment
29. This types of runoff that takes its own time to join stream.
a. Subsurface Runoff c. Runoff
b. Surface runoff d. base-flow Runoff
30. A measure of how the flow depth changes longitudinally.
a. Critical depth c. Normal depth
b. Water Surface Profile d. Hydraulic Curve
 31. A mathematical model describing the rainfall–runoff relations of a rainfall catchment area, drainage
basin or watershed.
a. Runoff Model c. Routing Models
b. Water Quality Models d. Water Quality Models
32. Is a technique used to predict the changes in shape of a hydrograph as water moves through a river
channel or a reservoir?
a. Runoff Model c. Routing Models
b. Water Quality Models d. Water Quality Models
33. The models are usually developed for specific regions, with particular climates and physical
characteristics.
a. Runoff Model c. Routing Models
b. Water Quality Models d. Water Quality Models
34. Is defined as the ratio of the total amount of rain (rainfall depth) falling during a given period to the
duration of the period It is expressed in depth units per unit time, usually as mm per hour (mm/h).
a. Rain Intensity c. Precipitation
b. Rain Rate d. Precipitation Ratio
35. Is required for hydraulic designs of bridges and culverts, for water surface profile analyses for flood
insurance studies, and for evaluation of flooding potential at different sites.
a. Estimation of Peak Flows c. Estimation of Rain Flows
b. Estimation of Bottom Flows d. Estimation of Precipitation Flows

Part 2 – Enumeration

2 Characteristics of Statistics and Frequency Studies

2 Characteristics of Statistical Distribution

4 Types of Various Statistical Distribution