The main function of an exhaust muffler is the
a) Optimization of exhaust efficiency
b) Reduction of exhaust noise
c) Reduction of nitrogen oxide in the exhaust gases
d) Reduction of the exhaust gas volume
The main function of an exhaust muffler is the
a) Optimization of exhaust efficiency
b) Reduction of exhaust noise
c) Reduction of nitrogen oxide in the exhaust gases
d) Reduction of the exhaust gas volume
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