Railway Engineering Questions and Answers – Preliminary Investigations for a New Railway Line and Types of Surveys

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This set of Railway Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Preliminary Investigations for a New Railway Line and Types of Surveys”.

1. What can be concluded after preliminary investigations for a new railway line?
a) Whether the new railway line is required or not
b) The topography of the ground
c) The alignment of the rail line
d) The number of sleepers required for the new track
View Answer

Answer: a
Explanation: In preliminary investigations we study the trade and population of that area. The traffic density and statistical data of other trains operating on similar terrains is analysed. From this we can conclude whether the new train is required or not.
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2. Preliminary investigations are done to determine how the new line will fit in with the scheme of future development of railway line.
a) True
b) False
View Answer

Answer: a
Explanation: In preliminary investigation the topography sheets and other maps of the area are studied. The properties of the railway line are decided by considering the scope of future development.

3. What is the next step taken after the preliminary investigation of the rail line?
a) Laying of rail lines
b) Formation of ballast
c) Surveying
d) Testing of rail
View Answer

Answer: c
Explanation: After preliminary investigation it is important to know the gradients of the path on which rails are to be laid. The alignment, curves need to be calculated. For this purpose surveying is done after Preliminary investigation.
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4. Which of the following is not a type of survey conducted?
a) Preliminary survey
b) Traffic survey
c) Reconnaissance survey
d) Transverse curve survey
View Answer

Answer: d
Explanation: The types of surveys conducted are Traffic survey, Reconnaissance survey, Preliminary survey and Final location survey. After these surveys the construction of the new rail line is started.

Sanfoundry Global Education & Learning Series – Railway Engineering.

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To practice all areas of Railway Engineering, here is complete set of 1000+ Multiple Choice Questions and Answers.

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