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UPSC Civil Service Exam Questions - Engineering

Q1:

Consider the following statements regarding the longitude of a place.
It is determined by :
1. wireless time signals
2. transportation of chronometers
3. electric telegraph.
Of these statements :

A 1, 2 and 3 are correct

B 1 and 2 are correct

C 1 and 3 are correct

D 2 and 3 are correct

ANS:B - 1 and 2 are correct

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