Dert Rescuer (DR) ETEA Testing Service Everyday Science MCQs Fire Rescuer (FR) Rescue 1122 Which of the fire extinguisher must not be used in case of electric base fire? October 16, 2022 Admin No Comments A: Foam Extinguisher B: Halen Extinguisher C: Dry Chemical Extinguisher D: Carbon Dioxide Extinguisher Correct Answer: a Short Details: DCP stands for Dry Chemical Powder. View More Details >>