Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Causes heat loss of fuel by its partial combustion Shortens the flame Both A & B Lengthens the flame Causes heat loss of fuel by its partial combustion Shortens the flame Both A & B Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker. 1400 1350 1250 1100 1400 1350 1250 1100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not applicable to fluidised bed combustion of coal? It achieves higher fuel combustion efficiency None of these It can not burn low grade coal Less heat transfer surface area is required in boilers It achieves higher fuel combustion efficiency None of these It can not burn low grade coal Less heat transfer surface area is required in boilers ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels is likely to have the highest gross calorific value? LPG Sewage gas Natural gas Producer gas LPG Sewage gas Natural gas Producer gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion L.D. converter gas (produced in steel plant) comprises mainly of CO & O₂ CO (upto 65%) & CO₂ CO₂ & O₂ CO₂ & H₂ CO & O₂ CO (upto 65%) & CO₂ CO₂ & O₂ CO₂ & H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³. 5400 3200 10200 1800 5400 3200 10200 1800 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS