A four stroke eight cylinders square gasoline engine operating at 5025 rpm has a bore equal to 87.5 mm. If the mechanical efficiency is 81%, the indicated mean effective pressure is 1210 kPa, the brake specific fuel consumption is 0.2 g/kW.s, the volumetric efficiency is 90%, the intake temperature is 28°C, the intake pressure is 1 bar and the gas constant for air is 287 J/kg.K, the fuel to air ratio is: Select one: O a. 12.22 O b. 4.315 O c. 0.231 O d. 0.425

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A four stroke eight cylinders square
gasoline engine operating at 5025
rpm has a bore equal to 87.5 mm. If
the mechanical efficiency is 81%, the
indicated mean effective pressure is
1210 kPa, the brake specific fuel
consumption is 0.2 g/kW.s, the
volumetric efficiency is 90%, the
intake temperature is 28°C, the intake
pressure is 1 bar and the gas constant
for air is 287 J/kg.K, the fuel to air
ratio is:
Select one:
O a. 12.22
O b. 4.315
O c. 0.231
O d. 0.425
Transcribed Image Text:A four stroke eight cylinders square gasoline engine operating at 5025 rpm has a bore equal to 87.5 mm. If the mechanical efficiency is 81%, the indicated mean effective pressure is 1210 kPa, the brake specific fuel consumption is 0.2 g/kW.s, the volumetric efficiency is 90%, the intake temperature is 28°C, the intake pressure is 1 bar and the gas constant for air is 287 J/kg.K, the fuel to air ratio is: Select one: O a. 12.22 O b. 4.315 O c. 0.231 O d. 0.425
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