The diagram below shows a type of heater used in some schools. Hot water is pumped from
Question:
The diagram below shows a type of heater used in some schools.
Hot water is pumped from the boiler into pipes inside the heater. Fins are attached to those pipes. Cold air is drawn into the base of the heater by an electric fan.
a. Why are fins attached to the pipes inside the heater?
b. 600 kg of water pass through the heater every hour. The temperature of the water falls by 5 °C as it passes through the heater. Calculate the amount of heat energy transferred from the water every hour. The specific heat capacity of water is 4200 J/(kg °C).
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Step by Step Answer:
a The fins attached to the pipes inside the heater increase the surface area of the pipes which allo...View the full answer
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