The mechanical efficiency of a single-cylinder four-stroke engine is 80%. The frictional power is estimated to be 20 kW. What is the brake power developed by the engine? (a) 80 kW (c) 70 kW (b) 50 kW (d) 75 kW

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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The mechanical etficiency of a single-cylinder
four-stroke engine is 80%. The frictional power
is estimated to be 20 kW. What is the brake
power developed by the engine?
(a) 80 kW
(c) 70 kW
(b) 50 kW
(d) 75 kW
Transcribed Image Text:The mechanical etficiency of a single-cylinder four-stroke engine is 80%. The frictional power is estimated to be 20 kW. What is the brake power developed by the engine? (a) 80 kW (c) 70 kW (b) 50 kW (d) 75 kW
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