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What is the high-frequency note of an exhaust gas?(a) 50 to 500Hz(b) 5 to 10Hz(c) 3000 to 10000Hz(d) 30000 to 200000HzI got this question during an internship interview.My doubt stems from Exhaust System topic in chapter Exhaust System & Petrol Engine Fuel Supply System of Automotive Engine Design

Answer»

Correct option is (c) 3000 to 10000Hz

The EXPLANATION: haust GASES have a very high temperature and PRESSURE, when this STRIKES the walls of the exhaust system, they produce a high-frequency notes from 3000 to 10000Hz.



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