What's the function of the catalytic converter?

What's the function of the catalytic converter?
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1 Answer

Answer :

A catalytic converter is a piece of an automotive exhaust system. The catalytic converter often contains precious metals. As exhaust gases pass through the catalytic converter, chemical reactions occur which convert pollutant gases into less harmful ones.
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Related questions

You see a catalytic-converter thief under your jacked-up car. You shake the car and kick the jack, killing the thief. Are you a hero, or a murderer?

Description : You see a catalytic-converter thief under your jacked-up car. You shake the car and kick the jack, killing the thief. Are you a hero, or a murderer?

Last Answer : They will probably charge you with man slaughter ,BUT!! Pretend you didn’t notice the idiot under the car jump in and drive away thus killing the slime you might get away with it.

Citroen C8 catalytic converter fault - engine error

Description : Hi I have a Citroen C8 2.2 petrol year 2004, they repaired the connecting rods because it was bent on 4 cylinders, after the repairing the connecting rods the engine behaves well (lower consumption, ... have a similar experience? can the two defects be related in any way? Please any advice thanks

Last Answer : Need Answer

Catalytic converter used for controlling pollution is used in

Description : Catalytic converter used for controlling pollution is used in

Last Answer : Catalytic converter used for controlling pollution is used in A. Increases mileage B. Convert `CO_(2)` to ... lead petrol D. Convert CO to `CO_(2)`

Catalytic converter used for controlling pollution is used in

Description : Catalytic converter used for controlling pollution is used in

Last Answer : Catalytic converter used for controlling pollution is used in A. Thermal plants B. chimneys C. Brick kilns D. Motor vehicles

Catalytic converter used for controlling pollution is used in

Description : Catalytic converter used for controlling pollution is used in

Last Answer : Catalytic converter used for controlling pollution is used in A. Thermal plants B. chimneys C. Brick kilns D. Motor vehicles

What would make the catalytic converter be not ready for inspection?

Description : What would make the catalytic converter be not ready for inspection?

Last Answer : The system probably hasn't completed its drive cycle. The year,make and model info would help us.

How can I replace my catalytic converter?

Description : How can I replace my catalytic converter?

Last Answer : First, lift your car using ramps to ensure that you can reach the converter which is located about midway down the length of your car. Second, remove all the bolts holding the converter in place. Third ... . Sixth, re-attach the exhaust pipes and O2 sensor. After this is done you are basically done!

Can I reduce emissions by getting a new catalytic converter?

Description : Can I reduce emissions by getting a new catalytic converter?

Last Answer : In your car, the catalytic converter is the part that converts the toxic waste in your car into exhaust. By adding substances such as vanadium, you can reduce the waste put out by your car, ... can reduce your emissions even further by using unleaded gas, which puts out less toxins when it burns.

Can I reduce my car's emissions by changing the catalytic converter?

Description : Can I reduce my car's emissions by changing the catalytic converter?

Last Answer : A new catalytic converter will help to reduce your car's emissions, you can also take your car to a local garage and have them perform tests on it to see how else emissions can be reduced

What would happen if your catalytic converter went bad?

Description : What would happen if your catalytic converter went bad?

Last Answer : This does not seem to be the cause of a bad catalytic converter. A converter is there to convert harmful toxins into harmful ones and you will know if it goes bad if your gas mileage suddenly worsens ... is sounding funny and has an odd smell, then it might be something to do with the heater core.

What is the average cost of a Catalytic Converter?

Description : What is the average cost of a Catalytic Converter?

Last Answer : It will probably cost in the neighborhood of $150. Since you're in California, though, it might be a bit more expensive. At least you're saving on labor!

Which one of the following cannot be controlled by a 3 way catalytic converter? (a) HC emission (b) CO emission (c) NOx emission (d) SPM emission

Description : Which one of the following cannot be controlled by a 3 way catalytic converter? (a) HC emission (b) CO emission (c) NOx emission (d) SPM emission

Last Answer : Ans :d

Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for (A) Conversion of CO into CO2 in the second compartment (B) Conversion of NOx into N2 and NH3 in the first compartment (C) Oxidation of unburnt hydrocarbon fuel in the second compartment (D) All (A), (B) and (C)

Description : Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for (A) Conversion of CO into CO2 in the second compartment (B) Conversion of NOx into N2 and NH3 in the first ... of unburnt hydrocarbon fuel in the second compartment (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Pick out the wrong statement. (A) Catalytic converter is fitted in automobiles to reduce carbon monoxide concentration in exhaust emissions (B) Inhalation of pollutant carbon monoxide results in death by asphyxiation (C) Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles (D) Decomposition of plants containing chlorophyll is a natural source of carbon monoxide in atmosphere

Description : Pick out the wrong statement. (A) Catalytic converter is fitted in automobiles to reduce carbon monoxide concentration in exhaust emissions (B) Inhalation of pollutant carbon monoxide results ... D) Decomposition of plants containing chlorophyll is a natural source of carbon monoxide in atmosphere

Last Answer : (C) Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles

The catalytic converter for conversion of SO2 to SO3 by contact process should have a feed with SO2 content between (A) 2-5 % (B) 7-10 % (C) 12-15 % (D) 20-25 %

Description : The catalytic converter for conversion of SO2 to SO3 by contact process should have a feed with SO2 content between (A) 2-5 % (B) 7-10 % (C) 12-15 % (D) 20-25 %

Last Answer : (B) 7-10 %

Multistage catalytic converter is not used in the (A) Conversion of SO2 to SO3 (B) NH3 synthesis reaction (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : Multistage catalytic converter is not used in the (A) Conversion of SO2 to SO3 (B) NH3 synthesis reaction (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (B) NH3 synthesis reaction

. Catalyst used in the catalytic converter employed in automobiles to convert CO into CO2 and for complete oxidation of un-burnt hydrocarbons is (A) Nickel (B) Cobalt (C) Vanadium (D) Platinum

Description : . Catalyst used in the catalytic converter employed in automobiles to convert CO into CO2 and for complete oxidation of un-burnt hydrocarbons is (A) Nickel (B) Cobalt (C) Vanadium (D) Platinum

Last Answer : (D) Platinum

Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is (A) Alumina (B) Platinum (C) Vanadium pentoxide (D) Iron oxide

Description : Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is (A) Alumina (B) Platinum (C) Vanadium pentoxide (D) Iron oxide

Last Answer : Option B

The metals used in catalytic converter are a.Iron, Copper

Description : 10. The metals used in catalytic converter are a.Iron, Copper b. Platinum , Palladium ,and Rhodium c. Gold , Silver , Nichrome d. Mercury ,Lead, Iron

Last Answer : Ans- b. Platinum , Palladium ,and Rhodium

What is the function of a converter?

Description : What is the function of a converter?

Last Answer : Converts the audio signal to dc pulses.

Catalytic converters are fitted in to automobiles for reducing emission of poisonous gases, having expensive metals namely.

Description : Catalytic converters are fitted in to automobiles for reducing emission of poisonous gases, having expensive metals namely.

Last Answer : Catalytic converters are fitted in to automobiles for reducing emission of poisonous gases, having ... Lead and Cadmium D. copper and cadmium

Assertion: Suspended particulate matter(SPM) is an important pollutant released by diesel vehicles. Reason : Catalytic convertes greatly reduce pollut

Description : Assertion: Suspended particulate matter(SPM) is an important pollutant released by diesel vehicles. Reason : Catalytic convertes greatly reduce pollut

Last Answer : Assertion: Suspended particulate matter(SPM) is an important pollutant released by diesel vehicles. Reason : ... but reason is wrong D. Both are wrong

Finely divided catalyst has greater surface area and has greater catalytic activity than the compact solid. If a total surface area of 6291456 `cm^(2)

Description : Finely divided catalyst has greater surface area and has greater catalytic activity than the compact solid. If a total surface area of 6291456 `cm^(2)

Last Answer : Finely divided catalyst has greater surface area and has greater catalytic activity than the compact solid. If a total ... B. `80` C. `20` D. `22`

Upon heating`KCIO_(3)` in presence of catalytic amount of `MnO_(2)`, a gas `W` is formed. Excess amount of `W` reacts with white phosphours to given `

Description : Upon heating`KCIO_(3)` in presence of catalytic amount of `MnO_(2)`, a gas `W` is formed. Excess amount of `W` reacts with white phosphours to given `

Last Answer : Upon heating`KCIO_(3)` in presence of catalytic amount of `MnO_(2)`, a gas `W` is formed. Excess amount of `W` ... )O_(6)` D. `O_(3) and P_(4)O_(10)`

Upon heating`KClO_(3)` in presence of catalytic amount of `MnO_(2)`, a gas `W` is formed. Excess amount of `W` reacts with white phosphorus to given `

Description : Upon heating`KClO_(3)` in presence of catalytic amount of `MnO_(2)`, a gas `W` is formed. Excess amount of `W` reacts with white phosphorus to given `

Last Answer : Upon heating`KClO_(3)` in presence of catalytic amount of `MnO_(2)`, a gas `W` is formed. Excess amount of `W` ... PO_(4)` D. `N_(2)O_(5) and HPO_(3)`

Upon heating`KCIO_(3)` in presence of catalytic amount of `MnO_(2)`, a gas `W` is formed. Excess amount of `W` reacts with white phosphours to given `

Description : Upon heating`KCIO_(3)` in presence of catalytic amount of `MnO_(2)`, a gas `W` is formed. Excess amount of `W` reacts with white phosphours to given `

Last Answer : Upon heating`KCIO_(3)` in presence of catalytic amount of `MnO_(2)`, a gas `W` is formed. Excess amount of `W` ... )O_(6)` D. `O_(3) and P_(4)O_(10)`

Upon heating`KClO_(3)` in presence of catalytic amount of `MnO_(2)`, a gas `W` is formed. Excess amount of `W` reacts with white phosphorus to given `

Description : Upon heating`KClO_(3)` in presence of catalytic amount of `MnO_(2)`, a gas `W` is formed. Excess amount of `W` reacts with white phosphorus to given `

Last Answer : Upon heating`KClO_(3)` in presence of catalytic amount of `MnO_(2)`, a gas `W` is formed. Excess amount of `W` ... PO_(4)` D. `N_(2)O_(5) and HPO_(3)`

An organic compound (A) on reduction gives a compound (B) which on reaction with `CHCI_(3)` and `NaOH` form (C). The compound (C) on catalytic reducti

Description : An organic compound (A) on reduction gives a compound (B) which on reaction with `CHCI_(3)` and `NaOH` form (C). The compound (C) on catalytic reducti

Last Answer : An organic compound (A) on reduction gives a compound (B) which on reaction with `CHCI_(3)` and `NaOH` form (C ... . The compound (A) is: A. B. C. D.

A chiral `C_(5)H_(10)O` alcohol is reduced by catalytic hydrogenation to an achiral `C_(5)H_(12)O` alcohol. The original alcohol is oxidized by activa

Description : A chiral `C_(5)H_(10)O` alcohol is reduced by catalytic hydrogenation to an achiral `C_(5)H_(12)O` alcohol. The original alcohol is oxidized by activa

Last Answer : A chiral `C_(5)H_(10)O` alcohol is reduced by catalytic hydrogenation to an achiral `C_(5)H_(12)O` alcohol ... -2-buten-1-ol D. 2-methyl-2-buten-1-ol

DNA-dependent RNA polymerase requires the following for its catalytic activity: (A) Mg++ (B) Mn++ (C) Both (A) and (B) (D) None of these

Description : DNA-dependent RNA polymerase requires the following for its catalytic activity: (A) Mg++ (B) Mn++ (C) Both (A) and (B) (D) None of these

Last Answer : Answer : C

Hormone receptors that stimulate cAMP production (A) are part of a complex of two proteins that transform the external signal into internal cAMP production (B) are proteins distinct and separate from those that catalyze the production of cAMP (C) cause release of the catalytic subunit upon binding of the hormone (D) are not very specific and bind a number of different hormones

Description : Hormone receptors that stimulate cAMP production (A) are part of a complex of two proteins that transform the external signal into internal cAMP production (B) are proteins distinct and separate from those ... binding of the hormone (D) are not very specific and bind a number of different hormones

Last Answer : Answer : B

An allosteric enzyme influences the enzyme activity by (A) Competiting for the catalytic site with the substrate (B) Changing the specificity of the enzyme for the substrate (C) Changing the conformation of the enzyme by binding to a site other than catalytic site (D) Changing the nature of the products formed

Description : An allosteric enzyme influences the enzyme activity by (A) Competiting for the catalytic site with the substrate (B) Changing the specificity of the enzyme for the substrate (C) Changing the conformation ... binding to a site other than catalytic site (D) Changing the nature of the products formed

Last Answer : Answer : C

Cyclic AMP binds to (A) Catalytic subunits of protein kinase (B) Regulatory subunits of protein kinase (C) Catalytic subunits of phosphorylase kinase (D) Regulatory subunits of phosphorylase kinase

Description : Cyclic AMP binds to (A) Catalytic subunits of protein kinase (B) Regulatory subunits of protein kinase (C) Catalytic subunits of phosphorylase kinase (D) Regulatory subunits of phosphorylase kinase

Last Answer : Answer : B

Different isoenzymes of an enzyme have the same (A) Amino acid sequence (B) Michaelis constant (C) Catalytic activity (D) All of these

Description : Different isoenzymes of an enzyme have the same (A) Amino acid sequence (B) Michaelis constant (C) Catalytic activity (D) All of these

Last Answer : Answer : C

The substance which may be considered to play a catalytic role in citric acid cycle is (A) Oxaloacetate (B) Isocitrate (C) Malate (D) Fumarate

Description : The substance which may be considered to play a catalytic role in citric acid cycle is (A) Oxaloacetate (B) Isocitrate (C) Malate (D) Fumarate

Last Answer : Answer : A

The isoenzymes of LDH (A) Differ only in a single amino acid (B) Differ in catalytic activity (C) Exist in 5 forms depending on M and H monomer contents (D) Occur as monomers

Description : The isoenzymes of LDH (A) Differ only in a single amino acid (B) Differ in catalytic activity (C) Exist in 5 forms depending on M and H monomer contents (D) Occur as monomers

Last Answer : Answer : C

Catalytic activity of salivary amylase requires the presence of (A) Chloride ions (B) Bromide ions (C) Iodide ions (D) All of these

Description : Catalytic activity of salivary amylase requires the presence of (A) Chloride ions (B) Bromide ions (C) Iodide ions (D) All of these

Last Answer : A

A substance unrelated to substrate but capable of reversibly changing activity of enzyme by binding to a site other than active site is called (a) Competitive inhibitor (b) Non-competitive inhibitor (c) Catalytic inhibitor (d) Allosteric modulator/inhibitor

Description : A substance unrelated to substrate but capable of reversibly changing activity of enzyme by binding to a site other than active site is called (a) Competitive inhibitor (b) Non-competitive inhibitor (c) Catalytic inhibitor (d) Allosteric modulator/inhibitor

Last Answer : Ans. ((d))

Which of the following statements are true of oxidants? A. In addition to their pathophysiologic roles in inflammation, injury, and infection, oxidants also have physiologic roles. B. Oxidants may be generated from activated neutrophils and during reperfusion following a period of ischemia. C. The deleterious effects of oxidants include lipid peroxidation and cell membrane damage, oxidative damage to DNA, and inhibition of adenosine triphosphate (ATP) synthesis. D. The mechanism of ischemia-reperfusion injury involved the catalytic production of superoxide anion (O 2•) by the enzyme xanthine oxidase.

Description : Which of the following statements are true of oxidants? A. In addition to their pathophysiologic roles in inflammation, injury, and infection, oxidants also have physiologic roles. B. Oxidants may ... involved the catalytic production of superoxide anion (O 2 ) by the enzyme xanthine oxidase.

Last Answer : Answer: ABCD DISCUSSION: Oxidants are reactive oxygen metabolites that have both physiologic and pathophysiologic roles. As potent oxidizing agents, oxidants are involved in cytochrome P ... leukocyte infiltration and activation, causing further tissue damage by the release of cytotoxic proteases

The catalytic power of enzymes is due to (a) the presence of amino acids in their structures (b) their high molecular weight (c) their ability to lower the activation energy of the reaction (d) their limited solubility in water and other solvents

Description : The catalytic power of enzymes is due to (a) the presence of amino acids in their structures (b) their high molecular weight (c) their ability to lower the activation energy of the reaction (d) their limited solubility in water and other solvents

Last Answer : Ans:(c)

Sulphur dioxide level in the atmosphere can be reduced by using - (1) more efficient car engines (2) catalytic converters in industry (3) static electricity to attract it in factory chimneys (4) low - sulphur fuels

Description : Sulphur dioxide level in the atmosphere can be reduced by using - (1) more efficient car engines (2) catalytic converters in industry (3) static electricity to attract it in factory chimneys (4) low - sulphur fuels

Last Answer : (4) low - sulphur fuels Explanation: The main source of sulphur dioxide into the atmosphere is from the burning of fossil fuels. Sulphur dioxide can damage plants and reduce crop yields.

Catalytic converters are generally made from (1) Alkaline metals (2) Hydrogen (3) Transition metals (4) Carbon

Description : Catalytic converters are generally made from (1) Alkaline metals (2) Hydrogen (3) Transition metals (4) Carbon

Last Answer : (3) Transition metals Explanation: Transition metals are used directly as catalysts in the anti-pollution catalytic converters in car exhausts. For example, expensive transition metals such as ... nitrogen monoxide, which are converted to the non-polluting gases nitrogen and carbon dioxide.

The temperature at which the catalytic activity of the catalyst is maximum, is called (1) room temperature (2) critical temperature (3) absolute temperature (4) optimum temperature

Description : The temperature at which the catalytic activity of the catalyst is maximum, is called (1) room temperature (2) critical temperature (3) absolute temperature (4) optimum temperature

Last Answer : d) optimum temperature

Catalytic Converters are Generally Made from –

Description : Catalytic Converters are Generally Made from –

Last Answer : Transition Metals

Styrene which is a monomer for the production of polystyrene, is commercially produced by the (A) Catalytic dehydrogenation of ethyl benzene (B) Dehydration of ethyl alcohol followed by hydrogenation (C) Reacting ethylene oxide with acetaldehyde (D) Fermentation of starch

Description : Styrene which is a monomer for the production of polystyrene, is commercially produced by the (A) Catalytic dehydrogenation of ethyl benzene (B) Dehydration of ethyl alcohol followed by hydrogenation (C) Reacting ethylene oxide with acetaldehyde (D) Fermentation of starch

Last Answer : (A) Catalytic dehydrogenation of ethyl benzene

Petroleum coke is commercially produced by the __________ process. (A) Hydrocracking (B) Visbreaking (C) Fluid catalytic cracking (D) Delayed coking

Description : Petroleum coke is commercially produced by the __________ process. (A) Hydrocracking (B) Visbreaking (C) Fluid catalytic cracking (D) Delayed coking

Last Answer : (D) Delayed coking

Pick out the wrong statement. (A) Lower boiling paraffins have higher octane number than higher paraffins (B) Dehydrogenation of naphthenes to aromatics is a desirable reaction in reforming process (C) The most ideal feedstock for thermal reforming is dearomatised kerosene (D) Catalyst used in catalytic reforming is platinum on silica-alumina base

Description : Pick out the wrong statement. (A) Lower boiling paraffins have higher octane number than higher paraffins (B) Dehydrogenation of naphthenes to aromatics is a desirable reaction in reforming ... is dearomatised kerosene (D) Catalyst used in catalytic reforming is platinum on silica-alumina base

Last Answer : (C) The most ideal feedstock for thermal reforming is dearomatised kerosene

The catalytic cracking of heavier petroleum fraction is done to produce mainly (A) Gasoline (B) Asphalt (C) Diesel oil (D) Tar

Description : The catalytic cracking of heavier petroleum fraction is done to produce mainly (A) Gasoline (B) Asphalt (C) Diesel oil (D) Tar

Last Answer : (C) Diesel oil

In catalytic alkylation, higher iso-butane to olefin ratio gives (A) Low final boiling point product (B) Higher yield (C) Both (A) and (B) (D) Neither (A) nor (B

Description : In catalytic alkylation, higher iso-butane to olefin ratio gives (A) Low final boiling point product (B) Higher yield (C) Both (A) and (B) (D) Neither (A) nor (B

Last Answer : (A) Low final boiling point product

Pick out the correct statement about catalytic polymerisation. (A) H2SO4 polymerisation process gives gasoline rich in unsaturates (B) In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive (C) Both (A) and (B) (D) Neither (A) nor (B

Description : Pick out the correct statement about catalytic polymerisation. (A) H2SO4 polymerisation process gives gasoline rich in unsaturates (B) In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive (C) Both (A) and (B) (D) Neither (A) nor (B

Last Answer : (B) In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive