WorksheetsCleaning solar panels
Total questions: 10
Worksheet time: 5mins
1. What is the main function of photovoltaic modules?
A. To store rainwater
B. To reflect sunlight
C. To collect sunlight and convert it into electricity
D. To measure temperature
2. What can reduce the performance of solar panels?
A. Rain
B. Dust, soot, and bird droppings
C. Wind
D. High voltage
What tools should be used to clean the solar panels?
A. A vacuum cleaner
B. A special brush or sponge and detergent
C. A leaf blower
D. A hammer and chisel
True or False: Rain is enough to clean solar panels thoroughly.
A. True
B. False
What should be checked first before cleaning the panels?
A. Heat pump settings
B. The position of the sun
C. The condition of the glass, frame, and connecting nuts
D. Electricity output
What device is used to check the resistance of liquid to freezing?
A. Thermometer
B. Manometer
C. Refractometer
D. Voltmeter
What is the purpose of bypass diodes in solar modules?
To protect the installation from damage
To measure air pressure
To cool down the panels
D. To increase sunlight
Which of the following can cast a shadow on solar panels? (select all that apply)
Trees
Chimneys
Electricity pylons
Solar inverters
What is the result of shading on solar panels?
They charge faster
They produce less electricity and may overheat
They become waterproof
Nothing happens
What should you check using a manometer?
Air temperature
Panel brightness
Noise level
Operating pressure of the system
