Principles of Hydroelectric

All the following is true except

• Harvesting the energy of moving water to produce electricity.

• Hydroelectric power systems convert the solar energy in flowing water into electricity energy

• Hydropower is available by creating dams in stream and river flow

• Hydropower generation is an established technology and maybe as much as one fifth of the world electricity is generated this way which is slightly more than by nuclear generation

All the hydropower components except

• dam

• Penstock

• Solar cell

• Turbine

All the types of hydroelectric plant except

• low head

• medium head

• high head

• long head

A power station under heads from 30m to 300m. Which one type of hydroelectric plant

• low

• high

• medium

• long

All of the following types of turbines are used in hydroelectric plants except

• Francis

• Turgo

• Pelton

• low