Q.1
Winker gas generator, was the first commercial application of the fluidized bed for chemical operations, true or false?
  • a) True
  • b) False
Q.2
What is the mesh size of coal used in winker gas generator?
  • a) <8
  • b) >8
  • c) <16
  • d) >16
Q.3
What is the gas used for fluidizing the coal feed?
  • a) Steam
  • b) Air
  • c) Oxygen
  • d) All of the mentioned
Q.4
After having a hot environment in the chamber, what is released?
  • a) Carbon dioxide
  • b) Volatile matter
  • c) Oxygen
  • d) Water vapour
Q.5
Where is the volatile matter used as raw gas?
  • a) Chemical synthesis
  • b) Cracking
  • c) Pyrolysis
  • d) All of the mentioned
Q.6
Why does winker gas generator does not produce enough amount of synthetic gas?
  • a) Temperature is kept below 1000 Celsius
  • b) Temperature is kept above 1000 Celsius
  • c) Pressure is kept at 1 atm
  • d) None of the mentioned
Q.7
When temperature is kept belowCelsius, what happens in the process?
  • a) Leads to insufficient cracking of methane
  • b) Leads to sufficient cracking of methane
  • c) Leads to sufficient cracking of ethane
  • d) Leads to insufficient cracking of ethane
Q.8
What is done in order to prevent insufficient cracking of methane?
  • a) Secondary oxygen
  • b) Secondary nitrogen
  • c) Secondary carbon dioxide
  • d) All of the mentioned
Q.9
What happens when we inject secondary oxygen for combustion?
  • a) Raises temperature above 1000 Celsius
  • b) Maintains temperature at 1000 Celsius
  • c) Reduces further below 1000 Celsius
  • d) None of the mentioned
Q.10
What is another problem apart from methane cracking in winker gas generator?
  • a) Carbon loss
  • b) Corrosion
  • c) Insufficient air supply
  • d) All of the mentioned
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