Question

Water is used as a coolant in an automobile because of its

• A. lower density
• B. easy availability
• C. high specific heat
• D. low specific heat

Answer 1

The correct option is C high specific heat

To be an effective coolant, a substance has to have a high specific heat capacity, meaning it can absorb a lot of heat. It also has to be nontoxic, or non poisonous. It also needs to be fairly common, which would mean since it is readily available, the cost should be fairly low.Water is used as a coolant because of its high specific heat