Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Remains constant May increase or decrease, depends on combustibles Decreases Increases Remains constant May increase or decrease, depends on combustibles Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking coals are invariably Anthracites Semi-anthracites Bituminous coals Lignites Anthracites Semi-anthracites Bituminous coals Lignites ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Neither A nor B Caking power Both A & B Calorific value Neither A nor B Caking power Both A & B Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a micro component present in coal? Clarain Liptinite Fusinite Micrinite Clarain Liptinite Fusinite Micrinite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Spontaneous combustion of coal on storage results due to Storage in large heaps with small surface to volume ratio All of these Low temperature oxidation Inadequate ventilation Storage in large heaps with small surface to volume ratio All of these Low temperature oxidation Inadequate ventilation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Atomising steam to fuel oil ratio in a burner should be around 1.5 3.5 0.5 2.5 1.5 3.5 0.5 2.5 ANSWER DOWNLOAD EXAMIANS APP