Virtual Labs

Polymerization reactor

Cstr works on the principle of:

a: Heat Transfer Explanation

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b: Mass transfer Explanation

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c: Both heat and mass transfer Explanation

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d: None of the mentioned Explanation

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Accumulation of mass in the reactor is given by:

a: Accumulation=[IN]-[Out]-[Generation] Explanation

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b: Accumulation=[IN]-[Out]+[Generation] Explanation

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c: Accumulation=[IN]+[Out]-[Generation] Explanation

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d: Accumulation=[Out]-[IN]+[Generation] Explanation

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Assumptions on which the CSTR works is/are:

a: Uniform mixing of the cooling fluid and reactor fluid Explanation

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b: Heat transfer coefficient to the reactor jacket is constant Explanation

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c: Mean heat capacity is constant Explanation

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d: All of the above Explanation

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In Arrhenius rate law k=Aexp(-Ea/RT) Ea represents.

a: Frequency factor Explanation

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b: Activation energy Explanation

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c: Rate of the reaction Explanation

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d: Constant Explanation

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What do you understand by quasi steady state.

a: A permanent steady state Explanation

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b: An unstable state Explanation

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c: A state where the reaction rests for predestined time and then jumps back to steady state. Explanation

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d: None of these Explanation

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Which of these sets can act as the control parameters of the polymerization of styrene?

a: Feed rate of monomer,initiator,temperature of cooling fluid Explanation

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b: Activation energy of the reaction Explanation

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c: Density of reactor fluid and cooling fluid Explanation

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d: None of above Explanation

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What do you understand by the term polymerization

a: Two or more simple compounds react to form a complex molecule Explanation

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b: Two or more monomers react in a chemical reaction to form a large polymer Explanation

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c: The large molecule formed by reacting of simple molecules generally containg a repeating structure Explanation

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d: All of the above Explanation

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What are the steps of the radical polymerization

a: Termination-propagation-initiation Explanation

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b: Initiation-propagation-termination Explanation

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c: Initiation-termination-propagation Explanation

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d: Propagation-initiation-termination Explanation

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Heat transfer expression in the CSTR is given by

a: Heat accumulation=[heat in]-[heat out]+[rate of heat generation]+[heat transfer] Explanation

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b: Heat accumulation=[heat out]-[heat in]+[rate of heat generation]+[heat transfer] Explanation

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c: Heat accumulation=[heat in]-[heat out]-[rate of heat generation]+[heat transfer] Explanation

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d: Heat accumulation=[heat in]-[heat out]+[rate of heat generation]-[heat transfer] Explanation

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The order of the reaction of polymerization of styrene is

a: Zero Explanation

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b: First Explanation

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c: Third Explanation

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d: Second Explanation

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