CME Urban Infrastructure Design & Development 4

Question 1

In urban transit planning, what does 'headway' refer to?

Accepted Answer

The time interval between successive transit vehicles on a route

Answer

Headway is the scheduled time gap between consecutive vehicles on the same transit route, directly affecting passenger wait times.

Question 2

Which design standard governs accessible pedestrian facilities, including sidewalk width and curb ramp slopes, in the United States?

Accepted Answer

ADA Standards for Accessible Design

Answer

The ADA Standards for Accessible Design set federal requirements for pedestrian infrastructure accessibility, including curb ramps, crosswalks, and sidewalk dimensions.

Question 3

What is 'demand-side management' in municipal water planning?

Accepted Answer

Programs that reduce customer water consumption to defer supply infrastructure expansion

Answer

Demand-side management uses conservation programs, rate structures, and efficient fixtures to reduce overall water demand rather than building new supply infrastructure.

Question 4

In urban drainage design, what does the Manning's n coefficient represent?

Accepted Answer

Channel roughness affecting flow velocity

Answer

Manning's n is an empirical roughness coefficient used in the Manning equation to account for channel surface friction when calculating open-channel flow velocity.

Question 5

Which type of retaining wall relies on soil weight behind an L-shaped footing to resist overturning forces?

Accepted Answer

Cantilever retaining wall

Answer

Cantilever retaining walls use the weight of backfill soil on the heel of the footing to develop the overturning resistance, making them efficient for moderate heights.

(CME) Certified Municipal Engineer Practice Test

(CME) Certified Municipal Engineer Practice Test

CME Urban Infrastructure Design & Development 4