This document contains questions about fire detectors, electrical safety, and types of burns. It asks what kinds of fire detectors exist, how to protect hearing, how to calculate current through the body using Ohm's law, types of electrical injuries, and the three parts of burns. The total marks for the exam are 10.

1. ID:Name:
Date:Exam
Class:
Total Marks
10
What fire detectors? And how many kinds we have?
What we should to use to hearing protection?
By using Ohm's law if a person touching an electric connector 220-volt and
were resistant skin 100,000 ohm and was standing on the floor of the wood,
how much is the current through his body?
What electrical injuries?
There are three parts of burns, what are they?
3
2
1
1
3