POWER GENERATION AND SUBSTATION - Quiz

1) What is the function of air pre heater in a steam power station?

Heats feed water Supplies hot air to economiser Supplies hot air to super heater Extracts heat from flue gases and heats input air

2) What is the main disadvantage of nuclear plant?

Disposal of waste Running cost is more Plant requires large space Installed away from load centre

3) What is the function of economiser in steam power plant?

Converts water into steam Heats the air by the flue gases Heats the feed water by the flue gases Purifies the feed water by chemical treatment

4) What is the advantage of non conventional power generation?

More reliable More efficient Low initial cost Reduce pollution

5) What is the function of charge controller in battery based micro hydel power generation?

Controls the over voltage Disconnects turbine from the battery Prevents the over charging of battery Controls the over speed of the turbine