Page 195 - 05. Subyek Teknik Mesin - Automobile Mechanical and Electrical Systems Automotive Technology Vehicle Maintenance and Repair (Vehicle Maintenance Repr Nv2) by Tom Denton
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Engine systems 179
Figure 2.198 Pipe connections Figure 2.199 Flexible mountings (sometimes called pig noses)
Figure 2.200 Rubber mountings
Defi nition
Figure 2.201 Catalytic converter in position with a heat shield above
Catalyst
2.4.5 Catalyst systems A substance that will accelerate
chemical changes in other
substances without itself changing.
A catalyst is a substance that will accelerate (or, in some cases, slow down)
chemical changes in other substances without itself changing. The purpose of
the catalytic converter on a vehicle is to convert potentially harmful chemicals