POWER GENERATION AND SUBSTATION - Practice Mode

1) Which device senses the wind speed in a wind power generation?

Exciter unit Turbine controller Chopper controller Line controller unit

Correct Answer: Turbine controller

2) Which turbine is used for high heads in hydro electric power plant?

Kaplan turbine Impulse turbine Francis turbine Reaction turbine

Correct Answer: Impulse turbine

3) What is the function of penstocks in hydro power stations?

Carries water to dam Carries water to turbines Carries water away from power house Discharges surplus water from reservoir

Correct Answer: Carries water to turbines

4) Which is the purpose of boiler in a steam power station?

Super heats the steam Heats feed water and air Converts water in to steam Liberates the heat from burnt fuel

Correct Answer: Converts water in to steam

5) Which type of power plant is more efficient?

Diesel plant Steam power Hydro electric Nuclear power

Correct Answer: Hydro electric

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