Subtopic: Calculation of power, torque, fuel consumption, heat load and power losses
Question Statement:
The non-combustible constituents of the producer gas are
Options:
(A) Carbon monoxide and Hydrogen
(B) Hydrogen and Methane
(C) Nitrogen and Carbon dioxide
(D) Carbon monoxide and Nitrogen
Official Answer Key:
C
Step-by-Step Solution & Explanation
Producer gas is a mixture of combustible gases — carbon monoxide (CO), hydrogen (H₂), and methane (CH₄) — and non-combustible (inert) gases — nitrogen (N₂, the largest inert fraction, from the air used in gasification) and carbon dioxide (CO₂, an oxidation product). CO, H₂ and CH₄ all burn and release heat, so options (A), (B) and (D) (each containing at least one combustible gas) are incorrect. Only (C), Nitrogen and Carbon dioxide, lists purely non-combustible constituents. Hence (C) is correct.
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