UPSC Civil Service Exam Questions - Engineering

Q1:

Consider the following statements regarding Plane Table surveying :
1. It is less accurate than chain surveying.
2. It is not necessary to do accurate centering of plane table for small scale survey.
3. Compass rule may be made use for adjusting the plane table transverse.
4. From the instrument station, resectors are drawn to plot the position of object in the field.
Of these statements :

A 1, 2 and 4 are correct

B 2, 3 and 4 are correct

C 1, 2 and 3 are correct

D 1, 3 and 4 are correct

ANS:A - 1, 2 and 4 are correct

No, the correct answer should be B. Because plane table survey is more accurate than chain surveying.