CE442 Hydraulics Engineering
2025/2026 Exam Questions and Answers
| 100% Pass
Radar networks have the most effective coverage of precipitation _____. -
🧠ANSWER ✔✔x if they are close together
x in convective situations
Radar-derived precipitation has which of the following characteristics that
don't apply to rain gauge measurements? - 🧠ANSWER ✔✔x It has good
space and time resolution.
x It is remotely sensed data.
Because rain gauges are surface based, direct measurements, they
provide _____. - 🧠ANSWER ✔✔estimates with different types of errors than
radars
Dual pol radar techniques will likely result in more accurate derived rainfall
rates because it will provide guidance to help distinguish _____. -
🧠ANSWER ✔✔x ice from liquid
1
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
,x hydrometeors from non hydrometeors
x particle shapes
Satellite rainfall estimates are generally higher resolution than radar
estimates. - 🧠ANSWER ✔✔True
For typical raindrops (about 2-mm diameter) expect a _____% loss in
gauge catch for every wind speed increase of 1 mph. This is _____% for
every 1 m/s. - 🧠ANSWER ✔✔1 | 2.2
A Z-R relationship provides good _____ if it correctly represents the _____.
- 🧠ANSWER ✔✔rainfall rate estimates | drop size distribution
The best rain gauge measurement will occur with _____. - 🧠ANSWER ✔✔x
gauges near the ground
x no wind
x liquid hydrometeors
x big raindrops
The Field Bias Mosaic may be the most appropriate choice with which of
the following issues? - 🧠ANSWER ✔✔Radar calibration problems
2
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, The MPE Gage Table compares gauge reports and grid values at _____. -
🧠ANSWER ✔✔gauge locations
Components of the hydrologic cycle include precipitation, condensation,
surface runoff, and ________ - 🧠ANSWER ✔✔evaporation
The percent of available freshwater is ______ of the total water on the
Earth. - 🧠ANSWER ✔✔less than 1%
Springs are fed from _______ - 🧠ANSWER ✔✔groundwater
In addition to weather conditions, which of the following has a direct
influence on plant transpiration? - 🧠ANSWER ✔✔Plant type, plant canopy
density, plant coverage
______-type soils have larger pore spaces and allow for greater infiltration
and percolation than _____ -type soils, which have more pore space and
can hold more water. - 🧠ANSWER ✔✔sandy, clay
The Multisensor Precipitation Estimator provides analysis of gridded
precipitation accumulation using information from which of the following? -
🧠ANSWER ✔✔x Radar
x Rain gauges
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2025/2026 Exam Questions and Answers
| 100% Pass
Radar networks have the most effective coverage of precipitation _____. -
🧠ANSWER ✔✔x if they are close together
x in convective situations
Radar-derived precipitation has which of the following characteristics that
don't apply to rain gauge measurements? - 🧠ANSWER ✔✔x It has good
space and time resolution.
x It is remotely sensed data.
Because rain gauges are surface based, direct measurements, they
provide _____. - 🧠ANSWER ✔✔estimates with different types of errors than
radars
Dual pol radar techniques will likely result in more accurate derived rainfall
rates because it will provide guidance to help distinguish _____. -
🧠ANSWER ✔✔x ice from liquid
1
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
,x hydrometeors from non hydrometeors
x particle shapes
Satellite rainfall estimates are generally higher resolution than radar
estimates. - 🧠ANSWER ✔✔True
For typical raindrops (about 2-mm diameter) expect a _____% loss in
gauge catch for every wind speed increase of 1 mph. This is _____% for
every 1 m/s. - 🧠ANSWER ✔✔1 | 2.2
A Z-R relationship provides good _____ if it correctly represents the _____.
- 🧠ANSWER ✔✔rainfall rate estimates | drop size distribution
The best rain gauge measurement will occur with _____. - 🧠ANSWER ✔✔x
gauges near the ground
x no wind
x liquid hydrometeors
x big raindrops
The Field Bias Mosaic may be the most appropriate choice with which of
the following issues? - 🧠ANSWER ✔✔Radar calibration problems
2
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, The MPE Gage Table compares gauge reports and grid values at _____. -
🧠ANSWER ✔✔gauge locations
Components of the hydrologic cycle include precipitation, condensation,
surface runoff, and ________ - 🧠ANSWER ✔✔evaporation
The percent of available freshwater is ______ of the total water on the
Earth. - 🧠ANSWER ✔✔less than 1%
Springs are fed from _______ - 🧠ANSWER ✔✔groundwater
In addition to weather conditions, which of the following has a direct
influence on plant transpiration? - 🧠ANSWER ✔✔Plant type, plant canopy
density, plant coverage
______-type soils have larger pore spaces and allow for greater infiltration
and percolation than _____ -type soils, which have more pore space and
can hold more water. - 🧠ANSWER ✔✔sandy, clay
The Multisensor Precipitation Estimator provides analysis of gridded
precipitation accumulation using information from which of the following? -
🧠ANSWER ✔✔x Radar
x Rain gauges
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
