A proximate analysis of solid fuel determines the percentage composition of ____________________?
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Answer: B. fixed carbon, ash, volatile matter, moisture
Explanation
Proximate analysis of solid fuel determines the percentages of fixed carbon, volatile matter, moisture, and ash. Standard laboratory testing procedures for proximate analysis measure these four primary constituent fractions of solid fuels. Combustion engineers rely on proximate analysis data to evaluate the burning characteristics of coal and coke. Solid fuel analysis is essential for determining the thermal value and combustion behavior in power generation boilers. Proximate analysis provides a practical assessment of moisture, volatile gases, combustible carbon, and non-combustible ash. Standardized testing methods ensure consistent measurement of solid fuel properties across industrial laboratories.
Thermal power plants test incoming coal shipments using proximate analysis to optimize boiler combustion efficiency. Fuel composition data helps engineers design appropriate stoking mechanisms and pollution control equipment. Monitoring fuel quality prevents operational disruptions and slagging issues inside industrial furnace combustion chambers. Carbon, hydrogen, nitrogen, sulphur, and moisture composition testing describes ultimate fuel analysis rather than proximate analysis. Higher calorific value measures total heat energy released upon complete combustion rather than constituent percentages. Lower calorific value excludes latent heat of vaporization of moisture and does not constitute a proximate constituent analysis.
- Subject
- Engineering
- Category
- Mechanical Engineering
- Topic
- —
- Difficulty
- medium
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