Related Questions

Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C.
A 400-500
B 900-1000
C 1400-1500
D 1700-1800
Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction?
A 2CO ⟷ C + CO2
B CO + H2O ⟷ CO2 + H2
C C + H2O ⟷ CO + H2
D C + 2H2O ⟷ CO2 + 2H2
Which of the following is a single stage, fixed bed high pressure coal gasification process?
A Winkler process
B Kopper-Totzek process
C Lurgi Process
D None of these
High pressure coal gasification is employed in __________ process.
A Lurgi
B Kopper-Totzek
C Winkler
D None of these
High temperature in gasification of coal favours
A High production of CO2
B Low production of CO2
C High production of CO
D Both B and C
Which of the following oil gasification processes is non-catalytic?
A Semet-Solvay process
B Segas process
C Onia-Gegi process
D Steam reforming of naphtha
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
A Is less liable to spontaneous combustion on storage
B Is more difficult to ignite and produces a shorter flame
C Requires smaller combustion space and less secondary air
D None of these
Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg.
A 1000
B 4000
C 6000
D 8000
Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent.
A 15 to 25
B 35 to 45
C 55 to 75
D 75
Mineral matter content (M) and ash content (A) in coal are approximately related as
A M = 1.1A
B M = A
C M = 1.5A
D M = 2A

Next steps