# Power Generation MCQ Part 9

Electrical Engineering MCQ on Power Generation MCQ Part 9

## Find the power generated by a 100% efficient hydroelectric power plant having 1 m high head and 1 m^3/s discharge

Find the power generated by a 100% efficient hydroelectric power plant having 1 m high head and 1 m^3/s discharge. (Water density = 1000 kg/m^3)

1. 1 kW
2. 4.92 kW
3. 9.8 kW
4. 19.60 kW

## The specific speeds of Francis, Pelton, and Kaplan turbines in ascending order is

The specific speeds of Francis, Pelton, and Kaplan turbines in ascending order is:

1. Pelton, Kaplan, Francis
2. Francis, Pelton,  Kaplan
3. Pelton, Francis, Kaplan
4. Kaplan, Pleton, Francis

Correct answer: 3. Pelton, Francis, Kaplan

• Specific speed of Kaplan turbine is 10-30 (approx)
• Specific speed of Francis turbine is 60-300 (approx)
• Specific speed of Kaplan turbine is 300 – 1000 (approx)

*Above values or only an approximate value and aren’t intended to indicate/represent a standard

## For low water head of 20 meters, which of the following turbine is recommended

For low water head of 20 meters which of the following turbine is recommended:

1. Francis
2. Peltom
3. Kaplan

## The graphical representation of discharge as function of time is known as

The graphical representation of discharge as function of time is known as:

1. Hydrograph
2. Watergraph
3. Monograph