Road Structure

The sieve size used to demarcate coarse and fine aggregate

• 10mm

• 4.75mm

• 600 micron

• 300 micron

The unit for specific gravity is

What is the factors which affect on flexible pavement thickness design:

Tags

NGSS.HS-ESS3-1

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

Which material is commonly used for the construction of flexible pavements?

• • a) Concrete

• • b) Steel

• • c) Asphalt

• • d) Timber

14. In highway construction, what does the term "Embankment" refer to?

• • a) A type of road signage

• • b) A raised area of the road for scenic views

• • c) A sloping or raised structure made of earth or stone

• • d) An elevated pedestrian crossing

Which highway feature is designed to reduce the severity of a collision in case a vehicle leaves the roadway?

• • a) Guardrails

• • b) Overpasses

• • c) Toll booths

• • d) Traffic signals

What does the term "Grade" refer to in highway engineering?

• • a) The quality of road construction

• • b) The slope of a road or surface

• • c) The speed limit on a highway

• • d) The thickness of pavement layers

Which material is commonly used for the construction of flexible pavements?

• • a) Concrete

• • b) Steel

• • c) Asphalt

• • d) Timber

In highway construction, what does the term "Geotextile" refer to?

• • a) A type of road sign material

• • b) The study of geological features along highways

• • c) A fabric used for soil stabilization and drainage

• • d) An advanced type of asphalt

Tags

NGSS.HS-ESS3-4

Tunnels can be divided into three major types:

Soft-ground tunnel; Rock tunnel; and ..........

• Underwater tunnel

• Large tunnel

• Small tunnel

• Prefabricated tunnel