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Q38 A 8.25 Cm #11.5 Cm, four-cylinder, four stroke cycle spark-ignition engine is to have a maximum speed of 3000r.p.m and volumetric efficiency of 80%-If the maximum venturi depression is to be 150 Cm of water what must be the size of the venturi? Also determine the size of the fuel orifice if air-fuel ratio of 14:1 is desired. List the assumption made. Take coefficient of discharge for air and fuel orifices as 0.84 and 0.7 respectively.Density of air 1.29 kg/m³ and density of fuel 700 kg/m³. Answers [ 22.2 mm, 1.35mm]

Q38 A 8.25 Cm #11.5 Cm, four-cylinder, four stroke cycle spark-ignition engine is to have a maximum speed of 3000r.p.m and volumetric efficiency of 80%-If the maximum venturi depression is to be 150 Cm of water what must be the size of the venturi? Also determine the size of the fuel orifice if air-fuel ratio of 14:1 is desired. List the assumption made. Take coefficient of discharge for air and fuel orifices as 0.84 and 0.7 respectively.Density of air 1.29 kg/m³ and density of fuel 700 kg/m³. Answers [ 22.2 mm, 1.35mm]

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Q38 A 8.25 Cm #11.5 Cm, four-cylinder, four stroke cycle spark-ignition engine is to have a maximum speed of 3000r.p.m and volumetric efficiency of 80%-If the maximum venturi depression is to be 150 Cm of water what must be the size of the venturi? Also determine the size of the fuel orifice if air-fuel ratio of 14:1 is desired. List the assumption made. Take coefficient of discharge for air and fuel orifices as 0.84 and 0.7 respectively.Density of air 1.29 kg/m³ and density of fuel 700 kg/m³. Answers [ 22.2 mm, 1.35mm]
Transcribed Image Text:Q38 A 8.25 Cm #11.5 Cm, four-cylinder, four stroke cycle spark-ignition engine is to have a maximum speed of 3000r.p.m and volumetric efficiency of 80%-If the maximum venturi depression is to be 150 Cm of water what must be the size of the venturi? Also determine the size of the fuel orifice if air-fuel ratio of 14:1 is desired. List the assumption made. Take coefficient of discharge for air and fuel orifices as 0.84 and 0.7 respectively.Density of air 1.29 kg/m³ and density of fuel 700 kg/m³. Answers [ 22.2 mm, 1.35mm]
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