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What is the low-frequency note of an exhaust gas?(a) 50 to 500Hz(b) 5 to 10Hz(c) 3000 to 10000Hz(d) 30000 to 200000HzThe question was asked in homework.My question comes from Exhaust System topic in portion Exhaust System & Petrol Engine Fuel Supply System of Automotive Engine Design |
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Answer» RIGHT ANSWER is (a) 50 to 500Hz Easiest explanation: The PREDOMINANT notes out of these have been found in two groups, viz, low-frequency notes from 50 to 500Hz, and high-frequency notes from 3000 to 10000Hz. |
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