Asap A carburetor, tested in the laboratory has its float chamber vented toatmosphere. The main metering system is adjusted to give an air-fuelratio of 15:1 at sea level conditions. The pressure at the venturi throntis 0.8 bar. The atmospheric pressure is 1 bar. The same carburetor istested again when an air cleaner is fitted at the inlet to the carburetor.The pressure drop to air cleaner is found to be 30 mm of Hg when airflow at sea level condition is 240 kg/h. Assuming zero tip and constamscoefficient of flow, calculate (i) the throat pressure when the air-cleaneris fitted and (ii) air-fuel rat io when the air cleaner is fitted.

Answered: Image /qna-images/answer/97b7836c-ef66-4e9d-8419-6930705c8830.jpg

Answered: at the d to be Ssumins

Engineering

Mechanical Engineering

at the d to be Ssumins

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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Mechanisms of heat transfer

Heat transfer is an essential discipline in thermal engineering that deals with the transfer, conversion, usability, and creation of heat or thermal energy. Transfer of heat occurs through various mechanisms like conduction, convection, radiation, and change of phases. All these mechanisms have distinct characteristics, but these mechanisms can simultaneously occur in an identical system.

Question

Asap

A carburetor, tested in the laboratory has its float chamber vented to
atmosphere. The main metering system is adjusted to give an air-fuel
ratio of 15:1 at sea level conditions. The pressure at the venturi thront
is 0.8 bar. The atmospheric pressure is 1 bar. The same carburetor is
tested again when an air cleaner is fitted at the inlet to the carburetor.
The pressure drop to air cleaner is found to be 30 mm of Hg when air
flow at sea level condition is 240 kg/h. Assuming zero tip and constams
coefficient of flow, calculate (i) the throat pressure when the air-cleaner
is fitted and (ii) air-fuel rat io when the air cleaner is fitted.

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