Question

Why is steam preferred over water for running electrical generators?

• A. Steam is lighter and hence can apply more pressure
• B. Steam can compress more easily than water
• C. High amount of heat is contained in steam
• D. Steam is easily available at all places

Answer 1

The correct option is C High amount of heat is contained in steam

Steam is used for running turbines of an electrical generator because the high amount of heat contained in it turns into mechanical energy.