Ex-1 Asix cylinder, four-stroke petrol engine with abore of 125 mm and a stroke of 190 mm under test was supplied with petrol of composition C = 82% and H2 = 18% by mass. The dry exhaust composition by volume was CO₂ = 11.19%; 02 = 3.61% and N₂ = 85.2%. Determine The mass of air supplied per kg of petrol, ②The percentage excess air. عماد داود عبود 3 The volume of mixture per kg of petrol, at 17°C and 1 bar which were the condition for the mixture entering the cylinder during the test. The volumetric efficiency of the engine based on intake conditions when the mass of petrol used per hour was 31.3kg and the engine speed wass 1500 rev/min. The Petrol is completely evaporated before entering the cylinder and the effect of its volume on the volumetric efficiency should be included. Taut Tombed Take the density of petrol vapour as 3.35 times that of air at the same temperatu and pressure. 1kg of air at o°C and 1.013 bar occupies 0.773 m³. Air Contains 23 oxygen by mass. 0.101 FF.21
Ex-1 Asix cylinder, four-stroke petrol engine with abore of 125 mm and a stroke of 190 mm under test was supplied with petrol of composition C = 82% and H2 = 18% by mass. The dry exhaust composition by volume was CO₂ = 11.19%; 02 = 3.61% and N₂ = 85.2%. Determine The mass of air supplied per kg of petrol, ②The percentage excess air. عماد داود عبود 3 The volume of mixture per kg of petrol, at 17°C and 1 bar which were the condition for the mixture entering the cylinder during the test. The volumetric efficiency of the engine based on intake conditions when the mass of petrol used per hour was 31.3kg and the engine speed wass 1500 rev/min. The Petrol is completely evaporated before entering the cylinder and the effect of its volume on the volumetric efficiency should be included. Taut Tombed Take the density of petrol vapour as 3.35 times that of air at the same temperatu and pressure. 1kg of air at o°C and 1.013 bar occupies 0.773 m³. Air Contains 23 oxygen by mass. 0.101 FF.21
Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Jack Erjavec, Rob Thompson
Chapter9: Automotive Engine Designs And Diagnosis
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Ex-1 Asix cylinder, four-stroke petrol engine with abore of 125 mm and
a stroke of 190 mm under test was supplied with petrol of composition
C = 82% and H2 = 18% by mass. The dry exhaust composition by volume was
CO₂ = 11.19%; 02 = 3.61% and N₂ = 85.2%. Determine
The mass of air supplied per kg of petrol,
②The percentage excess air.
عماد داود عبود
3 The volume of mixture per kg of petrol, at 17°C and 1 bar which were the condition
for the mixture entering the cylinder during the test.
The volumetric efficiency of the engine based on intake conditions when the mass
of petrol used per hour was 31.3kg and the engine speed wass 1500 rev/min. The
Petrol is completely evaporated before entering the cylinder and the effect of its
volume on the volumetric efficiency should be included.
Taut Tombed
Take the density of petrol vapour as 3.35 times that of air at the same temperatu
and pressure. 1kg of air at o°C and 1.013 bar occupies 0.773 m³. Air Contains 23
oxygen by mass.
0.101
FF.21
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