This set of Highway Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Low Volume Roads”.
1. The design life for low volume roads is __________
a) 10 years
b) 15 years
c) 20 years
d) 30 years
View Answer
Explanation: The low volume roads consist of low volume traffic and its life span is taken as 10 years.
2. The million standard axles in low volume roads is considered as __________
a) 1 million
b) 1.5 million
c) Less than 1 million
d) 2 million
View Answer
Explanation: The volume on low volume roads is taken less than 1 million for design purpose, it may actually be more but for ease it is taken as 1 million.
3. The low volume roads are designed as __________
a) All weather roads
b) Fair weather roads
c) Flexible pavement
d) Rigid pavement
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Explanation: Though the low volume road may have a lesser life span and capacity it should be accessible in all weathers.
4. The type of road used for ESAL value less than 10000 is?
a) Earth road
b) Gravel road
c) Flexible pavement
d) Rigid pavement
View Answer
Explanation: The earth road is the most suitable for less volume of road, it is a value that is obtained based on the traffic load.
5. What is the maximum limit of sub grade thickness?
a) 150 mm
b) 200 mm
c) 300 mm
d) 400 mm
View Answer
Explanation: The prepared sub grade is limited to a maximum of 300 mm, in any case it must not exceed 300 mm.
6. The base course is generally laid in earth road for a thickness of __________
a) 40 mm
b) 60 mm
c) 80 mm
d) 100 mm
View Answer
Explanation: The base course is laid for a thickness of 100 mm, it may exceed in some cases, in some cases it may be 80 mm and even 40 mm in unimportant roads.
7. The camber depends on __________
a) Road
b) Heat
c) Wind
d) Rainfall
View Answer
Explanation: The camber is provided to eliminate the rain that may be stored near the surfaces.
8. The plasticity index in soil used for low volume roads should be less than __________
a) 10
b) 9
c) 7
d) 6
View Answer
Explanation: The plastic limit for the soil should not exceed 6 in any case for the soil that is used in the pavement.
9. The gravel content in the surface layer can be a maximum of __________
a) 60%
b) 70%
c) 80%
d) 90%
View Answer
Explanation: The maximum gravel content in surface layer should be maximum of 80% and the minimum depends on the type of the pavement.
10. The minimum slope provided in a surface of cement concrete pavement is?
a) 1%
b) 1.5%
c) 2%
d) 2.5%
View Answer
Explanation: The minimum slope provided is 2%, the maximum may be 2.5%. for a surface of the cement concrete pavement.
Sanfoundry Global Education & Learning Series – Highway Engineering.
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