City Guilds Model Questions Vol1 2018 Engineering Question 2
Practice practical question 2 from the 2018 City Guilds Model Questions Vol1 Engineering examination. This question covers Energy calculation, Power and efficiency, Error analysis .
A small solar water‑heater is tested in the laboratory. The following data are recorded: - Mass of water in the collector tank: 2.5 kg. - Initial water temperature: 22.0 °C. - Final water temperature after exposure: 38.5 °C. - Exposure time: 45 min. - Solar irradiance measured by a pyranometer: 800 W m⁻². - Collector area: 0.80 m². The specific heat capacity of water is 4186 J kg⁻¹ °C⁻¹. Using the data, evaluate the performance of the heater.
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This is City Guilds Model Questions Vol1 2018 Engineering Question 2. It is one of the practical questions from the 2018 City Guilds Model Questions Vol1 Engineering examination.
The question covers Energy calculation, Power and efficiency, Error analysis .
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