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Engineering Exams RRB-JE CS (Chemical Supervisor - Research) Technical Abilities 2025 22.04.25 Paper-2 Shift-1 Medium +1 -0.33
What is the primary combustible component of producer gas?
Correct Answer: B. Carbon monoxide
Explanation: Producer gas is an industrial fuel generated through the partial combustion of carbonaceous materials like coal or biomass. It consists primarily of nitrogen, carbon monoxide, and hydrogen. While nitrogen is the most abundant component, it is chemically inert and does not contribute to the gas's heating value. The fuel's energy content is derived from its combustible elements, specifically carbon monoxide and hydrogen. Among these, carbon monoxide is the primary combustible constituent, typically representing about 20% to 30% of the total volume and serving as the major source of the gas's calorific power. Carbon dioxide and methane are also present but in much smaller quantities. Therefore, carbon monoxide is identified as the chief flammable component responsible for the gas's utility as a heat and power source.
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