Fuels and Combustion Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing? Erosion of induced draft fan blades High power consumption in its transportation Excessive fly-ash discharge from the stack Ash disposal problem Erosion of induced draft fan blades High power consumption in its transportation Excessive fly-ash discharge from the stack Ash disposal problem ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing very high percentage of durain is called __________ coal. Boghead Bright Non-banded Splint Boghead Bright Non-banded Splint ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Critical Air Blast (CAB) value of coke is a direct measure of its Hardness Reactivity None of these Strength Hardness Reactivity None of these Strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a measure of the agglutinating (i.e., binding) property of coal? Thickness of plastic layer Swelling index Gray-king index Caking index Thickness of plastic layer Swelling index Gray-king index Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces Higher amount of methane Both A & B Higher amount of both methane and hydrogen Lower amount of hydrogen Higher amount of methane Both A & B Higher amount of both methane and hydrogen Lower amount of hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is unsuitable fuel for producer gas manufacture? Coal having high fusion point of its ash Anthracite Coke Coal having low fusion point of its ash Coal having high fusion point of its ash Anthracite Coke Coal having low fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
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