WorksheetsDay 44-Nov 3-worksheet-Btech-cross section of roads
Total questions: 15
Worksheet time: 9mins
In a hill road with a ruling gradient of 6%, a horizontal curve of radius 75 m is encountered. The compensated gradient is —
6 %
5 %
4.67 %
1 %
The camber for earth roads in heavy rainfall regions as per IRC is approximately —
1 in 50 (2 %)
1 in 25 (4 %)
1 in 33 (3 %)
1 in 40 (2.5 %)
Which of the following kerb types allows drivers to enter the shoulder area at low speeds?
Semi-barrier kerb
High-speed barrier kerb
Mountable kerb
Submerged kerb
The desirable width of a median on a rural highway as per IRC is —
3 m
5 m
8 m
10 m
Which gradient permits vehicles to move at constant speed without power or brakes?
Average gradient
Floating gradient
Exceptional gradient
Limiting gradient
For mountainous terrain, the limiting gradient recommended by IRC is —
(a)
If a road has a total width of 10 m and camber 2 %, the crown height will be —
(a)
Cross slope of shoulders should always be less than that of the pavement to avoid water stagnation.
True
False
The width of the carriageway for a two-lane road as per IRC is 7 m.
True
False
The highest point of a cross section of a highway is called the (a) .
The boundary between the pavement and the shoulder or footpath is called the (a) .
The total width of land acquired for a road along its alignment is known as (a) .
The minimum longitudinal gradient necessary for effective drainage of side drains is (a) .
The coefficient of lateral friction used in geometric design of roads is approximately (a) .
Which of the following statements is true?
Mountable kerb height is 150 mm
Semi-barrier kerb height is 100 mm
High-speed barrier kerb height is about 200 mm
Submerged kerb height is 450 mm
