Fuels and Combustion Stack heat losses can be minimised by Oxygen enrichment of combustion air Controlling the excess air Using low c.v. fuels Maintaining proper draft in the furnace Oxygen enrichment of combustion air Controlling the excess air Using low c.v. fuels Maintaining proper draft in the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in moisture content of coal, its Calorific value increases sometimes Bulk density always decreases Clinkering tendency during combustion increases None of these Calorific value increases sometimes Bulk density always decreases Clinkering tendency during combustion increases None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 15, 000 25, 000 10, 000 5000 15, 000 25, 000 10, 000 5000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the most matured coal? Semi-anthracite Bituminous Anthracite Lignite Semi-anthracite Bituminous Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has Lower strength All of these Higher reactivity Lower bulk density Lower strength All of these Higher reactivity Lower bulk density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the highest net calorific value (kcal/Nm³)? Natural gas Liquified petroleum gas Producer gas Carburetted water gas Natural gas Liquified petroleum gas Producer gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP
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