TASK: Each of the following generators is going to supply a load of 10kw at a power...

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Electrical Engineering

TASK:
Each of the following generators is going to supply a load of10kw at a power factor of 0.8 (If AC, if DC 1) for 24hrs, each ofthem will run at 3000rpm. Both diesel and petrol have energy valuesof 45MJ/kg but the efficiency of petrol engines is 25% whilst theefficiency of diesel engines is 45%. Calculate the fuel burn ratein kg/hour and the efficiency of each. Use the burn rate tocalculate the cost of fuel and add that to the daily hire rate toget a total cost of the generator for 24hrs and hence say whichwould be the most suited to the job.

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4.2 Ratings (531 Votes)

Energy consumed by each generators per second 10 KJs wattJs Energy consumed per hour 10 K 60 60 36000 K J 36 M J hour Energy output of Petrol engine per kg 25100 45 M JKg 1125 MJKg Energy output of Diesel engine See Answer

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