veločily öl air Of vhen the nozzle tip is providled.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question

Transcribed Image Text:TThe venturi of a simple carburetor has a throat diar
the coefficient of flow is 0.8. The fuel orifice has a
and the coefflicient of fuel flow is 0.65. The gasolin surface is 5 mm
below the throat, calculate
* of 20 mm and
er of 1.14 mm
when the nozzle
(i) the air-fuel ratio for a pressure drop of 0.0.
tip is ne arted
(ii) the aiaeDW atio when the nozzle tip is taken into account
(iii) the minimum velocity of air or critical air velocity requi red to start
the fuel flow when the nozzle tip is provided.
Assume the density of air and fuel as 1.20 and 750 kg/m respectively.
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