hich of the following is mixed with petrol to prevent engines from knocking ?. Single choice.
(2 Points)
a) silver
b) sulphur
c) lead
Chlorine
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Answer:
Explanation: for example aluminium, copper, iron, lead
etc. If a current larger than the specified value flows through the circuit,
the temperature of the fuse wire increases. This melts the fuse wire and
breaks the circuit. The fuse wire is usually encased in a cartridge of
porcelain or similar material with metal ends. The
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