CATALYTIC CONVERTORS

• WHAT DO CATALYTIC CONVERTORS DO?

  reduce output of carbon monoxide, nitrogen oxides and unburnt hydrocarbons in exhaust gas
• WHAT STRUCTURE IS A CATALYTIC CONVERTOR?

  honeycomb
• WHAT ARE CATALYTIC CONVERTORS MADE OUT OF?

  ceramic material
• WHAT ARE CATALYTIC CONVERTORS COATED IN?

  platinum and rhodium
• WHAT DOES THE HONEYCOMB STRUCTURE PROVIDE IN A CATALYTIC CONVERTOR?

  large SA
• WHAT REACTS WITH CARBON MONOXIDE IN A CATALYTIC CONVERTOR?

  nitrogen oxide
• WHAT REACTS WITH NITROGEN OXIDES IN A CATALYTIC CONVERTOR?

  carbon monoxide or hydrocarbons
• WHAT DO THE METALS ON THE SURFACE OF CATALYTIC CONVERTORS ACT AS?

  catalysts
• WHAT DO CARBON MONOXIDE AND NITROGEN OXIDES REACT TO PRODUCE?

  nitrogen and carbon dioxide
• WHAT DO HYDROCARBONS REACT WITH IN CATALYTIC CONVERTORS?

  nitrogen oxides
• WHAT DO HYDROCARBONS AND NITROGEN OXIDES REACT TO PRODUCE?

  nitrogen, carbon dioxide and water