Q581
Water cannot be used to extinguish fire caused by electric current, because
A.
It may cause electrocution
AnswerB.
It may cause hydrolysis
C.
It may cause electrolysis
D.
It may spoil the wiring
Answer: Option A
Solution
Answer: Option A
Solution:
Using water for putting out electric fires is risky, as the firemen can be electrocuted by the water jet. Water is a good conductor of electricity, and, the electric current flows through the water-jet directly into the hands of the person who is holding the waterhose, resulting in immediate electrocution.