The \"jumbo dynamos\" at Edison\'s Pearl St. station had a rated output power of

Question

The "jumbo dynamos" at Edison's Pearl St. station had a rated output power of l00kW. Given the dynamos were 89%, determine the horsepower required from the prime movers connected to the generators. The prime movers at the Pearl St. station were diesel engines with an efficiency of 36%. Given that #2 diesel has a Btu content of 128,700 Btu/gallon, determine the daily fuel consumption of a unit delivering l00kW for the full 24 hours.

Explanation / Answer

1)x * .89 = 100kW => x = 112.36 kW = > x = 112.36k/746 Horsepower= 150.6 hp, 2)y * .36 = 100kW => y = 277.78 kW = > y = 277.78k/746 Horsepower= 372.35 hp, we want the detail that by consuming 1 gallon of diesel how much energy is generated then we cal solve the question

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