RECF- CIVIL ENGINEERING EXAM WITH ALL
CORRECT & 100% VERIFIED ANSWERS|
UPDATED TO PASS
Water treatment plants use a process of sedimentation to remove dirt and other solid particles from
the water. In plain terms, this is __________ . ✔Correct answer-letting particles settle to the
bottom of the tank
What is NOT the primary designed use of a dam? ✔Correct answer-To capture and store seasonal
rains for year-round water consumption
Which shape is found most often in trusses? ✔Correct answer-Triangles
If a given canal lock is 30 ft wide and 60 ft long and the pipes that transfer water have a flow rate of
1500 cfm, how long will it take for the water level to change by 5 ft? ✔Correct answer-6 minutes
Which of the following is not good for a seaport? ✔Correct answer-A body of shallow water
In determining a bridge's efficiency, you use the formula: Efficiency = mass held/mass of bridge.
Given this table, what is the efficiency of Bridge 2? ✔Correct answer-0.909
The best reason to build a scale model is __________ . ✔Correct answer-to create a visual and
spatial representation for analysis before building
It is 7 PM and the temperature is 60 degrees. It takes 1 hour to pour the cement. What time will the
cement be set using the chart, assuming the temperature does not change? ✔Correct answer-3AM
If a cargo boat comes into port displacing 1800 ft3, but leaves displacing 3600 ft3, what did they do
in port given the density of water is 62.42 lbs/ft3? ✔Correct answer-They added 112,356 lbs in
cargo weight.
Mass transit is most often found __________ . ✔Correct answer-in urban areas
The Panama Canal connects which two bodies of water? ✔Correct answer-Gulf of Mexico and
Pacific Ocean
Pre-stressed concrete is much stronger than regular concrete in __________ . ✔Correct answer-
compression
Hoover Dam can use up to 32,000 cubic feet/sec to generate electricity through its turbines. One
cubic foot per second of water equals nearly 7 gallons passing a given point in one second. Given
that the Hoover Dam can store up to 9.2 trillion gallons in its reservoir, Lake Mead, how long would it
take to completely empty the lake assuming no additional rain? ✔Correct answer-1.30 years
A surveyor is surveying a site for a bridge over a canyon, and she wishes to find the distance across at
a certain point. However, it is impractical to measure the distance directly, so she identifies a tall rock
as a marker. If A = 150 meters and B = 30 Degrees, what is the distance across the canyon?
✔Correct answer-87 m
CORRECT & 100% VERIFIED ANSWERS|
UPDATED TO PASS
Water treatment plants use a process of sedimentation to remove dirt and other solid particles from
the water. In plain terms, this is __________ . ✔Correct answer-letting particles settle to the
bottom of the tank
What is NOT the primary designed use of a dam? ✔Correct answer-To capture and store seasonal
rains for year-round water consumption
Which shape is found most often in trusses? ✔Correct answer-Triangles
If a given canal lock is 30 ft wide and 60 ft long and the pipes that transfer water have a flow rate of
1500 cfm, how long will it take for the water level to change by 5 ft? ✔Correct answer-6 minutes
Which of the following is not good for a seaport? ✔Correct answer-A body of shallow water
In determining a bridge's efficiency, you use the formula: Efficiency = mass held/mass of bridge.
Given this table, what is the efficiency of Bridge 2? ✔Correct answer-0.909
The best reason to build a scale model is __________ . ✔Correct answer-to create a visual and
spatial representation for analysis before building
It is 7 PM and the temperature is 60 degrees. It takes 1 hour to pour the cement. What time will the
cement be set using the chart, assuming the temperature does not change? ✔Correct answer-3AM
If a cargo boat comes into port displacing 1800 ft3, but leaves displacing 3600 ft3, what did they do
in port given the density of water is 62.42 lbs/ft3? ✔Correct answer-They added 112,356 lbs in
cargo weight.
Mass transit is most often found __________ . ✔Correct answer-in urban areas
The Panama Canal connects which two bodies of water? ✔Correct answer-Gulf of Mexico and
Pacific Ocean
Pre-stressed concrete is much stronger than regular concrete in __________ . ✔Correct answer-
compression
Hoover Dam can use up to 32,000 cubic feet/sec to generate electricity through its turbines. One
cubic foot per second of water equals nearly 7 gallons passing a given point in one second. Given
that the Hoover Dam can store up to 9.2 trillion gallons in its reservoir, Lake Mead, how long would it
take to completely empty the lake assuming no additional rain? ✔Correct answer-1.30 years
A surveyor is surveying a site for a bridge over a canyon, and she wishes to find the distance across at
a certain point. However, it is impractical to measure the distance directly, so she identifies a tall rock
as a marker. If A = 150 meters and B = 30 Degrees, what is the distance across the canyon?
✔Correct answer-87 m
