ext gases. 28 lb/hr. Assuming t n air-fuel ratio of 15 e volumetric efficior Hicion

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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13. A four-cycle six cylinder diesel engine of 4 % in bore
and 6-in stroke running at 1200 rpm, has 9 percent
CO, present in the exhaust gases. The fuel
consumption is 28 lb/hr. Assuming that 13.7 percent
CO2 indicates an air-fuel ratio of 15 Ib of air to 1 ib of
fuel, calculate the volumetric efficiency of the
engine. The intake air temperature is 60 deg. F and
the barometric pressure is 29.80 in of Hg.
A. 83%
B. 81%
C. 87%
D. 92%
50
Transcribed Image Text:13. A four-cycle six cylinder diesel engine of 4 % in bore and 6-in stroke running at 1200 rpm, has 9 percent CO, present in the exhaust gases. The fuel consumption is 28 lb/hr. Assuming that 13.7 percent CO2 indicates an air-fuel ratio of 15 Ib of air to 1 ib of fuel, calculate the volumetric efficiency of the engine. The intake air temperature is 60 deg. F and the barometric pressure is 29.80 in of Hg. A. 83% B. 81% C. 87% D. 92% 50
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