NONU CBT
Question Bank
SSC CPOSSC CPO Hard Mock Set 1Hard GK

SSC CPO Mock Test Set 1, Q29: Identify the correct answer for gas used in many electrical fire extinguishers.

A. Nitrogen dioxide
B. Carbon dioxide
C. Hydrogen
D. Oxygen
Correct Answer: B. Carbon dioxide
Explanation: CO2 does not support combustion. Category: SSC CPO. Set: 1.
More QuestionsPractice Mock Test
© NONU CBT