Fuels and Combustion Net calorific value is the gross calorific value less the __________ heat of water in the product of combustion when cooled to 15°C. Latent Sensible and latent None of these Sensible Latent Sensible and latent None of these Sensible ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = 0.5 A M = A M = 1.8 A M = 1.1 A M = 0.5 A M = A M = 1.8 A M = 1.1 A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about 8800 kcal/m³ 8800 kcal/kg Same as that of coal middling 25000 kcal/kg 8800 kcal/m³ 8800 kcal/kg Same as that of coal middling 25000 kcal/kg ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use. 43832 150-200 15-30 70-100 43832 150-200 15-30 70-100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Supply of excess air for complete combustion of fuel is necessitated to facilitate Its thorough mixing with air Attainment of chemical equilibrium Attainment of high temperature None of these Its thorough mixing with air Attainment of chemical equilibrium Attainment of high temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not applicable to fluidised bed combustion of coal? Less heat transfer surface area is required in boilers None of these It can not burn low grade coal It achieves higher fuel combustion efficiency Less heat transfer surface area is required in boilers None of these It can not burn low grade coal It achieves higher fuel combustion efficiency ANSWER DOWNLOAD EXAMIANS APP