UPSC Civil Service Exam Questions - Engineering

Q1:

Which one of the following methods would give accurate results in determining the direction of the observer's meridian ?

A Observation of circumpolar stars on the same vertical

B Observation of circumpolar stars at culmination

C Extra-meridian observation of a circumpolar star

D Observation of the sun at equal altitudes

ANS:B - Observation of circumpolar stars at culmination

A should be the right answer.