Which of the following is used as an 'anti-knock' in automobile engines?

a

Tetramethyl silane

b

Lead tetra-ethyl

c

Glycerol

d

n-heptane

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b

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Dave333
4 years ago

Engine knock occurs when a mixture of fuel and air in the combustion cylinder fail to completely ignite and propagate, thereby giving off offensive blasts and sounds.

Some antiknock agents are often added to fuels to eliminate knock tendencies. Examples of these agents are: tetraethyl lead or lead tetraethyl, isooctane, toluene, and alcohol.

Abisola13
3 years ago

Answer isn't there

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