This set of Highway Engineering Questions and Answers for Freshers focuses on ” Engineering Surveys for Highway Alignment”.
1. The surveys of highway alignment are completed in how many stages?
a) One
b) Two
c) Three
d) Four
View Answer
Explanation: The surveys are completed in 4 stages namely map study, reconnaissance, preliminary survey and detailed survey.
2. The maps in India related to topography are prepared by __________
a) Geological survey of India
b) Survey of India
c) NHAI
d) GOI
View Answer
Explanation: All the maps related to topography in India are prepared by survey of India, NHAI is for highway alignment and geological survey of India for any rocks exploration, government of India is the finance aid for all.
3. The survey in which details are covered roughly but not accurately is called __________
a) Reconnaissance
b) Rough survey
c) Map study
d) Detailed study
View Answer
Explanation: The reconnaissance survey consists of studying the details in the field roughly which are not covered in the map study.
4. The soil survey is conducted in which of the following survey?
a) Preliminary survey
b) Reconnaissance survey
c) Map study
d) Topography study
View Answer
Explanation: The preliminary survey consists of collecting topographical data, soil survey and other data, in reconnaissance survey rough survey is done, map study is for a plan.
5. A closed loop used for survey purpose is called __________
a) Open traverse
b) Closed traverse
c) Primary traverse
d) Secondary traverse
View Answer
Explanation: A traverse is a closed loop used for survey purpose, if it is open then it is called as open traverse.
6. Expand GPS?
a) Global position satellite
b) Global perception satellite
c) Global position system
d) Geographical position system
View Answer
Explanation: GPS –Global position system is a modern technique used for survey. GIS is also used for weather report and other applications.
7. The intervals for levelling work in rolling terrain are taken as __________
a) 50m
b) 30 m
c) 45 m
d) 40 m
View Answer
Explanation: In the rolling terrain the interval is considered as 50m and in hilly terrain is taken as 30m.
8. What is the first step in a preliminary survey?
a) Primary traverse
b) Map study
c) Detailed survey
d) Detailed project report
View Answer
Explanation: The first step in preliminary survey is to establish primary traverse followed by a survey and detailed project report.
9. The surface thickness of the pavement is decided based on __________
a) HFL
b) MFL
c) MSL
d) HFL and MSL
View Answer
Explanation: The HFL is the height till which water raised during recent floods, to avoid the flooding of roads they are always kept above HFL.
10. The key map size should not exceed __________
a) 20*22 cm
b) 32*20 cm
c) 32*32 cm
d) 20*32 cm
View Answer
Explanation: The key map shows the proposed site and important places, the key map should not exceed 22*20cm in size.
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