Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Coking tendency Caking tendency Clinkering tendency Size stability Coking tendency Caking tendency Clinkering tendency Size stability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the highest net calorific value (kcal/Nm³)? Producer gas Carburetted water gas Natural gas Liquified petroleum gas Producer gas Carburetted water gas Natural gas Liquified petroleum gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the most matured coal? Anthracite Semi-anthracite Bituminous Lignite Anthracite Semi-anthracite Bituminous Lignite 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 Short/intense flame is produced during combustion of gaseous fuel by using Low amount/current of combustion air High amount/current of combustion air Preheated secondary air Very little excess air Low amount/current of combustion air High amount/current of combustion air Preheated secondary air Very little excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The weathering index of a coal Is related to its calorific value Gives an idea of the fusion temperature of ash Is a measure of its size stability, when stored & exposed to weather Is a measure of its caking tendency Is related to its calorific value Gives an idea of the fusion temperature of ash Is a measure of its size stability, when stored & exposed to weather Is a measure of its caking tendency ANSWER DOWNLOAD EXAMIANS APP
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