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MCQs

Total Questions : 150 | Page 14 of 15 pages
Question 131. Which of the following gasifiers is suitable for integrated gasification combined cycle (IGCC)?
  1.    Fluidized gasifier
  2.    Fixed bed gasifier
  3.    Downdraft gasifier
  4.    Entrain flow gasifier
 Discuss Question
Answer: Option D. -> Entrain flow gasifier
Answer: (d).Entrain flow gasifier
Question 132. Which of the following is a problem due to tar formation in gasifiers?
  1.    Equipment blockages
  2.    High system efficiency
  3.    Improved quality of gas
  4.    Reduction in maintenance
 Discuss Question
Answer: Option A. -> Equipment blockages
Answer: (a).Equipment blockages
Question 133. What are the two types of entrained flow gasifiers?
  1.    Bubbling fluidized gasifier and dual fluidized gasifier
  2.    Bubbling fluidized gasifier and top-fed gasifier
  3.    Top-fed gasifier and side-fed gasifier
  4.    Side-fed gasifier and dual fluidized gasifier
 Discuss Question
Answer: Option C. -> Top-fed gasifier and side-fed gasifier
Answer: (c).Top-fed gasifier and side-fed gasifier
Question 134. Tar is removed by choosing the appropriate catalyst.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 135. Which of the following is a component of tar?
  1.    Sodium
  2.    Benzene
  3.    Chlorine
  4.    Nickel
 Discuss Question
Answer: Option B. -> Benzene
Answer: (b).Benzene
Question 136. Ash sticks to the side in a cross-draft gasifier.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 137. Which of the following are keys to design a gasifier?
  1.    Reducing biomass to charcoal and converting charcoal at suitable temperature to produce carbon monoxide and hydrogen
  2.    Oxidizing biomass to charcoal and converting charcoal at suitable temperature to produce carbon monoxide and hydrogen
  3.    Reducing biomass to charcoal and converting charcoal at suitable temperature to produce carbon dioxide and hydrogen
  4.    Oxidizing biomass to charcoal and converting charcoal at suitable temperature to produce carbon dioxide and hydrogen
 Discuss Question
Answer: Option A. -> Reducing biomass to charcoal and converting charcoal at suitable temperature to produce carbon monoxide and hydrogen
Answer: (a).Reducing biomass to charcoal and converting charcoal at suitable temperature to produce carbon monoxide and hydrogen
Question 138. Which of the following applications can the producer gas be used for?
  1.    Producing nickel
  2.    Producing copper
  3.    Producing glucose
  4.    Producing methanol
 Discuss Question
Answer: Option D. -> Producing methanol
Answer: (d).Producing methanol
Question 139. How does air enter and exit in a cross-draft gasifier?
  1.    Air enters from one of the sides and exits from the top
  2.    Air enters from one side and exits from the other
  3.    Air enters from one of the sides and exits from the bottom
  4.    Air enters from the bottom and exits from the top
 Discuss Question
Answer: Option B. -> Air enters from one side and exits from the other
Answer: (b).Air enters from one side and exits from the other
Question 140. Which of the following applications is the product gas from downdraft gasifier suitable for?
  1.    Fuel for combustion engine
  2.    Fuel for burning wood
  3.    Fuel for internal combustion engine
  4.    Fuel for household purposes
 Discuss Question
Answer: Option C. -> Fuel for internal combustion engine
Answer: (c).Fuel for internal combustion engine

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