SURVEY FOR RAILWAY - Quiz

1) Which instrument is used in reconnaissence survey for measuring the magnetic bearing of alignment of railway ?

Prismatic compass Theodolite Chain Level

2) Which map is prepared during the reconnaissance survey of railway ?

Countour map Index map Cadastral map Topographical map

3) Which is the interval of cross levelling for the preliminary survey of alignment of railway ?

100 m 50 m 20 m 10 m

4) Which is the next step of preliminary survey ?

Marking of alignment Construction survey Final survey Estimating

5) Which is the inretval of masonry pillars for the centre line of alignment of railway ?

500 m 1000 m 100 m 750 m