Fuels and Combustion Mineral matter content (M) and ash content (A) in coal are approximately related as M = 2A M = 1.5A M = 1.1A M = A M = 2A M = 1.5A M = 1.1A M = A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The advantage of firing pulverised coal in the furnace lies in the fact, that it Permits the use of high ash content coal All of these Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel combustion Permits the use of high ash content coal All of these Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Is accelerated by storage in large heaps with small surface to volume ratio Decreases with increase in surface area Is more for low volatile coal compared to high volatile coal Does not vary with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Decreases with increase in surface area Is more for low volatile coal compared to high volatile coal Does not vary with increase in surface area ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of dry wood may be around __________ Kcal/kg. 50 5000 500 5 50 5000 500 5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of MgCO₃ & NaCl MgSO₄ & BaCl₂ MgO & Na₂CO₃ BaSO₄ & NaCl MgCO₃ & NaCl MgSO₄ & BaCl₂ MgO & Na₂CO₃ BaSO₄ & NaCl ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a single stage, fixed bed high pressure coal gasification process? Kopper-Totzek process Winkler process Lurgi Process None of these Kopper-Totzek process Winkler process Lurgi Process None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS