141 S18 Solar Power systems

What is solar energy?

• a) Energy derived from fossil fuels
• b) Energy obtained from the wind
• c) Energy harnessed from the sun’s radiation
• d) Energy generated by nuclear reactions

Which meter is used to measure beam radiations?

• a) Pyrheliometer
• b) Sunshine Recorder
• c) Anemometer
• d) All of the above

How many types of solar cells are there?

• a) One
• b) Two
• c) Three
• d) Four

In which collector is the efficiency maximum?

• a) Flat Plate
• b) Line Focusing
• c) Evacuated Tube
• d) Paraboloid Dish

What is the solar cell efficiency approximately?

• a) 25%
• b) 15%
• c) 48%
• d) 63%

What source of energy is used for satellites?

• a) Solar Cells
• b) Edison Cells
• c) Fuel Cells
• d) Cryogenic Cells

What does a Pyranometer measure?

• a) Direct Radiation
• b) Diffusion Radiation
• c) Both a and b
• d) None of the above

What is the single solar cell voltage approximately?

• a) 0.2 V
• b) 0.5 V
• c) 1.0 V
• d) 2.0 V

What is the function of a solar heater?

• a) Convert solar energy into radiation
• b) Convert solar energy into electrical energy
• c) Convert solar energy into thermal energy
• d) None of the above

What is the lifespan of a solar heater?

• a) 4-5 years
• b) 2-6 years
• c) 1-2 years
• d) 6-7 years