A. The composition of reactants remains constant along a flow path
B. The conversion of the reactant varies from point to point along a flow path
C. There is no lateral mixing of fluid
D. There may be diffusion along the flow path
Related Mcqs:
- In an ideal mixed reactor (at steady state), the ___________________?
A. Space time is equivalent to holding time for constant density systems
B. Composition throughout the reactor remains same
C. Exit stream has the same composition as the fluid within the reactor
D. All A., B. and C. - The space time is equivalent to the holding time in a steady state mixed reactor for_____________________?
A. Non-isothermal gas reaction
B. Variable fluid density systems
C. Constant fluid density systems
D. Gas reactions with changing number of moles - For a mixed flow reactor operating at steady state, the rate of reaction is given by______________?
A. (FA0/V) – (dCA/dt)
B. (FA0/V) + (dCA/dt)
C. (FA0/V) XA
D. -(dCA/dt) - For an ideal mixed flow reactor (CSTR), the exit age distribution E(t) is given by __________________?
A. A Dirac delta function
B. A step function
C. A ramp function
D. None of the above - The exit age distribution of a fluid leaving a vessel (denoted by E) is used to study the extent of non-ideal flow in the vessel. The value of ∫∞ 0 E.dt is____________________?
A. 0
B. 1
C. ∞
D. √2π - Which of the following is a characteristic of an ideal plug flow reactor ?
A. Axial dispersion
B. Flat velocity profile
C. Uniform mixing
D. None of these - An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will ______________ with decrease in space time?
A. Increase
B. Increase exponentially
C. Decrease
D. Remain unchanged - Signal normally used to study non-ideal flow by stimulus response technique is _______________ input?
A. Pulse
B. Step
C. Both A. & B.
D. Neither A. nor B. - In an ideal tubular-flow reactor_________________?
A. There is no mixing in longitudinal direction
B. Mixing takes place in radial direction
C. There is a uniform velocity across the radius
D. All A., B. and C. - The single parameter model proposed for describing non-ideal flow is the ____________ model?
A. Tank in series
B. Dispersion
C. Both A. & B.
D. Neither A. nor B.
