FE Civil Engineering Exam Prep #4

Question 1

What is the total volume of a grit chamber designed to handle an average daily flow of 3 million gallons with a peak flow ratio of 2.5, and a detention time of 3 minutes?

Accepted Answer

2,079 ft3

Answer

540 ft3

Answer

1,350 ft3

Answer

6,250 ft3

Question 2

Which of the following is a potential safety or operational issue associated with a bridge spanning a recently repaved roadway that now has a vertical clearance of 4-inches less than posted?

Accepted Answer

All of the above

Answer

Collisions with bridge structure

Answer

Multiple vehicle crashes

Answer

Traffic delays

Question 3

When considering the surface overflow rates of primary settling tanks in a typical municipal wastewater treatment plant, which of the following statements is not correct?

Accepted Answer

Sizing is based on measured flow conditions

Answer

Sizing should reflect the degree of solids removal necessary

Answer

Septic conditions should be avoided during low flow periods

Answer

None of the above

Question 4

Cathodic protection is used to control which of the following?

Accepted Answer

Corrosion

Answer

Cross connections

Answer

Chlorine residuals

Answer

Thrust

Question 5

When consuming drinking treated water, which of the following may be an indicator of water quality problems within a finished water storage facility?

Accepted Answer

All of the above

Answer

Poor taste

Answer

Odor

Answer

Water temperature

Question 6

What is the proper sequence of steps to construct a dewatering wellpoint system for a construction excavation? 1. Connect header pipe to suction pumps 2. Jet wellpoints into the ground 3. Connect wellpoints to header pipe with riser 4. Fill annular void with filter media

Accepted Answer

2, 4, 3, 1

Answer

1, 2, 3, 4

Answer

3, 1, 2, 4

Answer

1, 3, 2, 4

Question 7

Which of the following hammers is not commonly used for conducting Standard Penetration Tests (SPTs)?

Accepted Answer

Split-spoon

Answer

Automatic

Answer

Donut

Answer

Safety

Question 8

The Association of American State Highway and Transportation Officials (AASHTO) assumes that the height of a driver’s eye and the height of an object above pavement are which of the following (in inches) when developing recommendations for minimum stopping sight distances?

Accepted Answer

42, 24

Answer

60, 24

Answer

42, 42

Answer

24, 42

Question 9

What is the passing sight distance for a section of 60 mph 2-lane rural highway with a 1740-ft vertical sag curve where a bridge passes over at 16.8 ft? (Assume S > L and A = 3.15.)

Accepted Answer

2,273 feet

Answer

870 feet

Answer

2,210 feet

Answer

3,389 feet

Question 10

The American Association of State Highway Transportation Officials (AASHTO) recommended stopping sight distances are based on the operation of which type of vehicle?

Accepted Answer

Passenger car

Answer

Truck

Answer

Bicycle

Answer

Railroad car