Fuels And Combustion - Study Mode

[#391] Which of the following gaseous fuels has the highest net calorific value (kcal/Nm 3 )?
Correct Answer

(D) Liquified petroleum gas

[#392] A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon
Correct Answer

(D) None of these

[#393] The maximum percentage of CO 2 in a flue gas (from a carbonaceous fuel) can be
Correct Answer

(A) 21

[#394] Net calorific value is the gross calorific value less the __________ heat of water in the product of combustion when cooled to 15°C.
Correct Answer

(C) Sensible and latent

[#395] Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its
Correct Answer

(C) Friability & oxygen content