Practice - Case Study: Solar Water Heaters
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is the purpose of a solar water heater?
💡 Hint: Think about how sunlight relates to heating.
What color are the tubes in a solar water heater usually?
💡 Hint: Consider which colors are best for absorbing heat.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of a solar water heater?
💡 Hint: Think about what heating does to water.
True or False: Solar water heaters require electricity to operate.
💡 Hint: Consider the energy source for heating in this scenario.
1 more question available
Challenge Problems
Push your limits with advanced challenges
If a solar water heater saves a family 1200 kWh a year and they use this energy savings to power an electric heater for 4 hours a day, calculate how many additional kWh would be used by the electric heater in that time over a year. Assume the electric heater uses 2 kWh per hour.
💡 Hint: Consider how to multiply the usage per hour by daily and yearly duration.
Assuming that the cost of installing a solar water heater is $1500, calculate how long it will take for it to pay for itself with an annual saving of $144. What if energy prices increase by 10% annually?
💡 Hint: Think about how yearly savings accumulate over time and consider justifying increased costs.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.