Question

(a)
Define the term 'calorifie value of a fuel. State its units. When the
calorific value of a fuel increases, does the efficiency of the fuel go up or
down ?
(b) (Name the products that are formed by the complete combustion of
wax vapours and carbon particles in the outermost zone of a candle
flame
(ii) "Gaseous fuels are better than other fuels.' Give any two advantages
of gaseous fuels.​

Answer 1

Explanation:

a .. calorific value is the value when 1 kg of fuel is burnt

unit. Jkg^-1

efficiency increases as calorific value increases

Answer 2

Answer:

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