What problem do dust storms cause for solar panels?
Iraq receives strong sunshine for most of the year, and in summer the sun can shine for more than twelve hours a day. Experts believe this makes the country well suited to solar power. Solar panels convert sunlight into electricity and produce no smoke. However, the panels work less well when they are covered with dust, and in a country with frequent dust storms they need regular cleaning. The cost of installing panels has also fallen in recent years. Several projects have been planned to add solar plants to the national grid, which would reduce dependence on oil and gas for electricity.
Answer and explanation
Correct answer: C. Dust on the panels reduces their efficiency.
- Step 1: Panels work less well when covered with dust.
Answer
Dust on the panels reduces their efficiency.
Why not the others: They make the sun disappear for several months., They greatly increase the cost of electricity. and They pull the panels out of the ground. do not fit.
Practise more Reading Comprehension.
Free questions with an explanation for every one, and full timed Iraqi National English Proficiency Test (INPT) mock tests.
More Reading Comprehension questions
- What is the main idea of the passage?
- According to the passage, why do cities stay warm at night?
- The word 'attracted' in 'has attracted attention' is closest in meaning to:
- What can be inferred about green roofs from the last sentence?
- The author mentions 'planting trees along streets' mainly in order to:
- According to the passage, what changed after movable metal type was developed?