Concept:A blowout is an uncontrolled release of oil or gas due to equipment failure.
Explanation:The explosion near the Oil India Limited (OIL) well in Baghjan, Assam, occurred on June 9, 2020.
It followed a blowout that had started on May 27, 2020.
The blowout happened because a spool was removed during the blowout control operations.
Removing the spool allowed high-pressure gas to escape uncontrollably, leading to a massive fire and explosion.
This event was not caused by a transfer of oil, leakage of methyl isocyanide, or radiation leakage.
Answer:Option A: Removing the spool during the blowout control operations.