Physics · Thermodynamics
What is the primary working principle of an engine cooling system's radiator?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To increase the air speed as it flows over the hot surface
- 2To cause heat flow solely by natural convection currents
- 3To act primarily as a storage reservoir for the coolant water
- 4To spread out the hot water over a large surface area to facilitate heat transfer✓
Correct answer
To spread out the hot water over a large surface area to facilitate heat transfer
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