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Anti-knocking agents are additives used in gasoline to prevent engine knocking, which occurs when fuel ignites prematurely in the combustion chamber. Common anti-knocking agents include tetraethyl lead (historically used but now largely phased out due to environmental concerns), ethanol, and various octane boosters like MTBE (methyl tert-butyl ether) and iso-octane. These agents increase the octane rating of fuel, allowing for smoother combustion and improved engine performance. The use of anti-knocking agents helps enhance fuel efficiency and reduce engine wear.
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Which agent is the best anti knocking agent?
Tetraethyl lead was historically the most effective anti-knocking agent in gasoline, but due to environmental and health concerns, it has been mostly phased out. Today, modern additives like methylcyclopentadienyl manganese tricarbonyl (MMT) or ethanol are commonly used as anti-knocking agents in fuel.
What are Anti knocking agent in fuel?
'Gasoline' has the potential to ignite too early ('detonate') in high compression combustion engines, producing a 'knocking' or 'ping' effect. The first compound discovered to remedy this effect was tetraethyllead (tetra-ethyl-lead, TEL). This anti-knocking agent therefore came into widespread use in petroleum, but use of this chemical began to be phased out after the toxicity of lead became known. Thus other antiknock agents used instead of tetraethyllead are: ferrocene, iron pentacarbonyl, toluene, MMT (an organomagnesium compound) and several others.
What is used to increase the anti-knocking property of petrol?
tetraethy lead
Which is used to increase the anti-knocking property of petrol?
tetra ethyl benzene
How does anti microbial agent works?
what is microbial agent, what is the advantages
WHY IS THERE A Knocking from passenger side Ford Fiesta?
anti roll bar bush 2.50
How do you get gas out of petroleum?
Petrolium is distilled to form the many petrolium products we use.
What happens if price of petrolium products increased?
what happens if petrolium price is hike
What is an anti-foaming agent?
simethecone and other non-foaming detergents are good anti-foaming agents.
Why would an artificial sweetener have anti-gel agent?
It is a fine chemical powder which will absorb moisture and clump. The anti-caking agent helps prevent this.
Can manganese be an anti-corrosive agent?
yes
Does Egypt has petrolium?
no
