When sunlight strikes a solar cell, light of certain wavelength will knock out electrons from semiconductor, thereby producing electric current

When sunlight strikes a solar cell, light of certain wavelength will knock out electrons from semiconductor, thereby producing electric current

Answer: true

Which of the following is not used for passive heating and cooling of homes?

Which of the following is not used for passive heating and cooling of homes?

Answer: heat exchanger

Which of the following is not true about solar trough (distributed collector)?

Which of the following is not true about solar trough (distributed collector)?

Answer: boiler is used to generate steam

Ventilation utilizes radiative heat transfer to promote passive cooling

Ventilation utilizes radiative heat transfer to promote passive cooling

Answer: false

Presently, solar cells have efficiency of about

Presently, solar cells have efficiency of about

Answer: 15-20%

Electricity produced from a solar power plant can be used to meet peak load power requirements

Electricity produced from a solar power plant can be used to meet peak load power requirements

Answer: true

Passive solar design takes advantage of bricks, stones and dark tiles inside the house to absorb and trap heat

Passive solar design takes advantage of bricks, stones and dark tiles inside the house to absorb and trap heat

Answer: true