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MCQs

Total Questions : 193 | Page 15 of 20 pages
Question 141. A liquid solid mixture with 20% solid and 80% liquid is input to a dryer, if the amount of evaporated water is 60% of the amount of input, what is the percentage of solid in the product?
  1.    40%
  2.    50%
  3.    80%
  4.    90%
 Discuss Question
Answer: Option B. -> 50%
Answer: (b).50%
Question 142. 50 Kg of a solid liquid mixture containing 10% solid and 90% water is left open in atmosphere, after some time the water is 80%, what is the weight of the mixture now?
  1.    10 Kg
  2.    25 Kg
  3.    35 Kg
  4.    50 Kg
 Discuss Question
Answer: Option B. -> 25 Kg
Answer: (b).25 Kg
Question 143. A 100 Kg liquid solid mixture with 10% solid and 90% liquid is input to a dryer, if the amount of evaporated water is 60% of the amount of input, what is the amount of liquid in the product?
  1.    10 Kg
  2.    20 Kg
  3.    30 Kg
  4.    40 Kg
 Discuss Question
Answer: Option C. -> 30 Kg
Answer: (c).30 Kg
Question 144. 50 Kg of a solid liquid mixture containing 20% solid and 80% water is left open in atmosphere, after some time the water is 60%, how much water is evaporated?
  1.    15 Kg
  2.    25 Kg
  3.    35 Kg
  4.    45 Kg
 Discuss Question
Answer: Option B. -> 25 Kg
Answer: (b).25 Kg
Question 145. A gas mixture of 40% He and 60% Ne is passed through a diffusion tube and the product has 10% He and 90% Ne, what is the percentage of He recovered?
  1.    25%
  2.    33.3%
  3.    50%
  4.    66.6%
 Discuss Question
Answer: Option B. -> 33.3%
Answer: (b).33.3%
Question 146. A reactor is supplied with 6 moles of N₂ and 9 moles of H₂, if 3 moles of NH₃ is produced, how many moles of H₂ are left at the end?
  1.    1.5
  2.    3
  3.    4.5
  4.    6
 Discuss Question
Answer: Option C. -> 4.5
Answer: (c).4.5
Question 147. A reactor is supplied with 5 moles of KNO₃ and some H₂SO₄, if the extent of reaction is 2, how many moles of H₂SO₄ were supplied?
  1.    1
  2.    2
  3.    5
  4.    Cannot be determined
 Discuss Question
Answer: Option D. -> Cannot be determined
Answer: (d).Cannot be determined
Question 148. A reactor is supplied with 10 moles of O₂ and 10 moles of H₂, if the extent of reaction is 5, how many moles of water is produced?
  1.    5
  2.    10
  3.    15
  4.    20
 Discuss Question
Answer: Option B. -> 10
Answer: (b).10
Question 149. A reactor is supplied with 10 moles of CH₄ and 10 moles of O₂, if the extent of reaction is 3, what are the moles of CO₂ produced?
  1.    3
  2.    6
  3.    8
  4.    12
 Discuss Question
Answer: Option A. -> 3
Answer: (a).3
Question 150. A reactor is supplied with a 100 mole feed of composition 46% C₃H₇O₄, 44% O₂ and 10% N₂, if 50% of the limiting reagent is converted into product, what is the extent of reaction?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
Answer: (b).2

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