Please I need the answer as soon as possible pleeeeeeeaasse (a) List down TWO (2) categories of energy conversion process and provideTWO (2) examples for EACH conversion process.(b) A thermal station is producing an output of 50 Mw.(i)Calculate the heat equivalent of mechanical energy (in kWh) inone hour transmitted to the turbine shaft at the thermal station if theelectrical efficiency, Nelectric, is 90%.(ii)Calculate the thermal efficiency, Nthermal, if 23000 kg of coal is usedin one hour. (The thermal station able to generate 7000 kcal per 1kg of coal. 860 kcal is equal to 1 kWh).(c) Calculate the volume of water needed by the 100 MW hydroelectric station for1 day operated at full capacity. (Overall efficiency of hydroelectric station is80%. The head is 200 m. 1 m³ of water is 1000 kg. Gravitational accelerationis 9.81 m/s²).

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(a) List down TWO (2) categories of energy conversion process and provide TWO (2) examples for EACH conversion process.

Delmar's Standard Textbook Of Electricity

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ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

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Question

Please I need the answer as soon as possible pleeeeeeeaasse

(a) List down TWO (2) categories of energy conversion process and provide
TWO (2) examples for EACH conversion process.
(b) A thermal station is producing an output of 50 Mw.
(i)
Calculate the heat equivalent of mechanical energy (in kWh) in
one hour transmitted to the turbine shaft at the thermal station if the
electrical efficiency, Nelectric, is 90%.
(ii)
Calculate the thermal efficiency, Nthermal, if 23000 kg of coal is used
in one hour. (The thermal station able to generate 7000 kcal per 1
kg of coal. 860 kcal is equal to 1 kWh).
(c) Calculate the volume of water needed by the 100 MW hydroelectric station for
1 day operated at full capacity. (Overall efficiency of hydroelectric station is
80%. The head is 200 m. 1 m³ of water is 1000 kg. Gravitational acceleration
is 9.81 m/s²).

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