| I. Water is a very good fire extinguisher as it cools down the fuels such as wood below its ignition temperature. |
| II. Water is a very good fire extinguisher for burning oils and electrical equipment?s. |
| III. Sand and soil may act as a good fire extinguisher for burning oils. |
A) I only
B) II only
C) III only
D) I and III only
Correct Answer: D
Solution :
Water works as a fire extinguisher by taking out the heat from the fire. It is never used in laboratories and electrical stores and in case of burning of oils because it will worsen the fire. Only the fire of paper, wood, or other ordinary materials can be extinguished by water. Sand can be used in laboratories fire, electrical fire and in burning of oils as it cuts off the oxygen supply.
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