Related InterviewSolutions

• The present CSTR is replaced by another CSTR of double the volume. A first order liquid phase reaction occurs in both the reactors. If the conversion achieved in the old reactor is 75%, what is the conversion achieved in the new reactor?(a) 0.857(b) 0.675(c) 0.765(d) 0.99I had been asked this question in homework.I need to ask this question from Conversion and Reactor Sizing topic in chapter Ideal Reactors for a Single Reaction, Conversion and Reactor Sizing of Chemical Reaction Engineering
• The unit of space velocity is ____(a) sec(b) sec^-1(c) m^3(d) m^-3The question was asked in an interview.Origin of the question is Space Time and Space Velocity in chapter Ideal Reactors for a Single Reaction, Conversion and Reactor Sizing of Chemical Reaction Engineering
• Effect of flow type on reactor performance when the conversion is small.(a) no effect(b) cannot be determined(c) very small(d) very largeThis question was addressed to me in an interview.The origin of the question is Choosing of Right Reactor Series or Connections (Maximum Profitability) topic in chapter Ideal Reactors for a Single Reaction, Conversion and Reactor Sizing of Chemical Reaction Engineering
• For a first order reaction, if the rate constant is 1 min^-1 and the reaction time is 2 min, then the ratio of final to initial concentration is ____(a) 0.167(b) 0.135(c) 0.198(d) 0.764The question was asked in an online quiz.The origin of the question is Conversion and Reactor Sizing in portion Ideal Reactors for a Single Reaction, Conversion and Reactor Sizing of Chemical Reaction Engineering
• The design equation for constant volume batch reactor in terms of partial pressure is (Assuming the gases to be ideal)(a) –ri = \(\frac{1}{RT}\frac{dpi}{dt} \)(b) –ri = \(\frac{V}{RT} \frac{dpi}{dt} \)(c) –ri = \(\frac{PV}{RT} \frac{dCi}{dt} \)(d) –ri = V \(\frac{dCi}{dt} \)This question was addressed to me at a job interview.I'd like to ask this question from Batch Reactor Design Equations topic in division Ideal Reactors for a Single Reaction, Conversion and Reactor Sizing of Chemical Reaction Engineering
• The differential form of the plug flow reactor design equation is ______(a) FA0\(\frac{dX}{dV}\) = -rA(b) \(\frac{dX}{dV}\) = -rA(c) V\(\frac{dX}{dV}\) = -rA(d) \(\frac{dX}{dV}\) = -rA FA0The question was posed to me in an online interview.My question is taken from Design Equations for Flow Reactors in section Ideal Reactors for a Single Reaction, Conversion and Reactor Sizing of Chemical Reaction Engineering
• If V represents volume and Q represents volumetric flow rate, then which of the following is a valid expression for space velocity?(a) \(\frac{V}{Q} \)(b) \(\frac{Q}{V} \)(c) Q × V(d) \(\frac{V}{C_{A0}} \)The question was asked in an online quiz.My enquiry is from Space Time and Space Velocity topic in section Ideal Reactors for a Single Reaction, Conversion and Reactor Sizing of Chemical Reaction Engineering
• How should the two MFR’s of unequal size be connected in series to maximize production for a first order homogenous reaction?(a) Smaller MFR followed by larger MFR(b) Larger MFR followed by smaller MFR(c) Any arrangement(d) MFR’s should not be connected in seriesI had been asked this question in homework.Origin of the question is Choosing of Right Reactor Series or Connections (Maximum Profitability) in section Ideal Reactors for a Single Reaction, Conversion and Reactor Sizing of Chemical Reaction Engineering
• Space time as a function of molar feed rate and initial concentration is given as ____(a) \(\frac{VC_{A0}}{F_{A0}} \)(b) \(\frac{C_{A0}}{VF_{A0}} \)(c) \(\frac{VF_{A0}}{C_{A0}} \)(d) \(\frac{C_{A0}}{F_{A0}} \)I have been asked this question in an interview.This is a very interesting question from Space Time and Space Velocity topic in division Ideal Reactors for a Single Reaction, Conversion and Reactor Sizing of Chemical Reaction Engineering
• The design equation for Batch reactor in differential form is _______(a) NA0\(\frac{dXA}{dt}\) = -rA V(b) \(\frac{dXA}{dt}\) = -rA(c) \(\frac{dXA}{dt}\) = -rAV(d) NA0\(\frac{dXA}{dt}\) = -rAI have been asked this question by my school teacher while I was bunking the class.I would like to ask this question from Batch Reactor Design Equations topic in section Ideal Reactors for a Single Reaction, Conversion and Reactor Sizing of Chemical Reaction Engineering