A catalyst is a substance that accelerates a chemical reaction by lowe – McqOptions

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1.	A catalyst is a substance that accelerates a chemical reaction by lowering the energy needed for it to proceed.
A.	False
B.	True
Answer» C.

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The catalyst materials most commonly used are platinum, palladium and rhodium.
Volume of the ceramic structure of a converter is generally about twice the displacement volume of the engine.
In most converters, the ceramic is a single honeycomb structure with many flow passages.
Catalytic converters are called three-way converters because they are used to reduce the concentration of CO. HC, and NOx in the exhaust.
Catalytic converters are chambers mounted in the flow system through which the exhaust gases pass.
VOLUME_OF_THE_CERAMIC_STRUCTURE_OF_A_CONVERTER_IS_GENERALLY_ABOUT_TWICE_THE_DISPLACEMENT_VOLUME_OF_THE_ENGINE.?$
The_catalyst_materials_most_commonly_used_are_platinum,_palladium_and_rhodium.$
In most converters, the ceramic is a single honeycomb structure with many flow passages?
Outside the container of the catalytic converter, there is a porous ceramic structure through which the exhaust gas flows.
Catalytic converter is usually a stainless steel container mounted along the exhaust pipe of the engine.