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Combustion and Flame — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceCombustion and Flame1 Mark
MCQ
The given table lists some fuels with their calorific values:
Fuel
Calorific Value
Diesel
$45000$
$LPG$
$55000$
Petrol
$45000$
Which of the given fuels is the most efficient?
  • A
    Petrol
  • B
    Diesel
  • ✓
    $LPG$
  • D
    $CNG$
✓

Answer

Correct option: C.
$LPG$
Calorific value is the amount of heat produced on complete combustion of one kg of fuel. The higher the value, the greater is the efficiency of the fuel. Among the given fuels, $LPG$ has a maximum calorific value. Hence, it is the most efficient.

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