Power Generation MCQ Part 9

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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

Correct answer: 3. 9.8 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

Correct answer: 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
  4. Load graph

Correct answer: 1. Hydrograph

Reheat cycle in a steam power station is employed to

Reheat cycle in steam power station is employed to:

  1. Improve performance of condenser
  2. Reduce heat losses
  3. Utilize thermal energy from flue gases
  4. Improve thermal efficiency

Correct answer: 4. Improve thermal efficiency

More Power Generation MCQ

  1. Power Generation MCQ Part 1
  2. Power Generation MCQ Part 2
  3. Power Generation MCQ Part 3
  4. Power Generation MCQ Part 4
  5. Power Generation MCQ Part 5
  6. Power Generation MCQ Part 6
  7. Power Generation MCQ Part 7
  8. Power Generation MCQ Part 8
  9. Power Generation MCQ Part 9
  10. Power Generation MCQ Part 10

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