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 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
Which of the following coal gasification processes will produce gas having maximum methane content?
A Winkler process
B Lurgi process
C Kopper-Totzek process
D All of the above
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
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
The phenomenon occuring during pumping of a liquid solution containing dissolved gases, which may come out of the solution giving rise to gas pockets, is termed as
A Evaporation
B Cavitation
C Sublimation
D Stripping
Which one is a naturally occuring noble gas?
A Sodium
B Potassium
C Argon
D Boron
Which one is the naturally occuring heaviest element?
A Mercury
B Thorium
C Uranium
D Protactinium
Probability of cavitation occuring becomes very high, when the local __________ resulting in water bubbles formation, which on rupture cause cavitation
A Pressure falls below the vapour pressure
B Pressure becomes very high
C Temperature becomes low
D All of the above

Next steps