Q.1
Which of the following is an advantage of using the continuous countercurrent operation?
  • a) Maximizes the average driving force for transport
  • b) Maximizes the efficiency
  • c) Maximizes the cost
  • d) Minimizes the cost
Q.2
What relationship is true about solute free mass flow rates?
  • a) F/S less than K less than D/S
  • b) D/S less than K less than F/S
  • c) F/S less than D/S less than K
  • d) D/S less than F/S less than K
Q.3
What is untrue for Mcabe thiele method for adsorption at elevated temperatures?
  • a) F/S cannot be greater than D/S
  • b) The two operating lines must intersect at the point (qR , cR )
  • c) Desorption line is placed below adsorption line by elevating temperature
  • d) Elevated pressure can also be used
Q.4
If KA=KB=what is the permissible values ,what is the safety margin for TMB model is:
  • a) 0-0.4
  • b) 0-0.81
  • c) 0.81-1
  • d) 0.9-1
Q.5
If KA=KB=what is the permissible values ,what is the safety margin for TMB model is:
  • a) 0-0.4
  • b) 0-0.81
  • c) 0.81-1
  • d) 0.89-1
Q.6
If KA=KB=what is the permissible values ,what is the safety margin for TMB model is:
  • a) 0-0.4
  • b) 1-0.5
  • c) 0.81-1
  • d) 0.9-1
Q.7
If KA=KB=what is the permissible values ,what is the safety margin for TMB model is:
  • a) 1-0.6
  • b) 0-0.81
  • c) 0.66-1
  • d) 0.36-1
Q.8
If KA=KB=what is the permissible values ,what is the safety margin for TMB model is:
  • a) 0-0.4
  • b) 1-0.89
  • c) 0.91-1
  • d) 0.97-1
Q.9
If KA=KB=what is the permissible values ,what is the safety margin for TMB model is:
  • a) 0-0.5
  • b) 1-0.5
  • c) 0.70-1
  • d) 0.5-1
Q.10
If KA=KB=what is the permissible values ,what is the safety margin for TMB model is:
  • a) 0-0.40
  • b) 1-0.167
  • c) 0.45-1
  • d) 0.407-1
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