Consider the following statements associated with Buchholz’s relays.Statement 1: Buchholz's relay is used for protection of a transformer against incipient faults.Statement 2: Buchholz's relay can be installed on oil cooled transformers.

• A. Statement 1 is TRUE and Statement 2 is FALSE
• B. Both Statement 1 and Statement 2 are FALSE
• C. Statement 1 is FALSE and Statement 2 is TRUE
• D. Both Statement 1 and Statement 2 are TRUE

Answer: (D)

Buchholz relay is used for protecting transformer against incipient or internal faults.
Buchholz relay is a gas-actuated relay installed in oil immersed transformers for protection against all kinds of faults.