With increase in the order of reaction (for all positive reaction orders), the ratio of the volume of mixed reactor to the volume of plug flow reactor (for identical feed composition, flow rate and conversion)?

Related Mcqs:

For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the____________________?

A. Catalyst size is reduced or the catalyst diffusivity is reduced B. Catalyst size is reduced or the catalyst diffusivity is increased C. Catalyst size is increased or the catalyst diffusivity is reduced D. Catalyst size is increased or the catalyst diffusivity is increased...

Pick out the wrong statement ?

A. For the same conversion, the holding time required in a batch reactor, is always equal to the space time required in a PFR B. Two mixed reactors of unequal size are available for producing a specified product, formed by a homogenous second order reaction. To achieve maximum production rate, the smaller reactor should be … Pick out the wrong statement ?Read More...

The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the_________________?

A. Increased temperature reduces the activation energy B. Fraction of molecules having threshold energy increases C. Collision frequency increases D. Value of threshold energy decreases...

Three plug flow reactors (PFR’s) of 4, 5 & 6 m3 volumes are arranged in two branches as shown below in the figure. If the total feed rate is 300 tons/hr, then for the same conversion in each branch, the feed rate through branch II should be ______________ tons/hr ?

A. 100 B. 150 C. 200 D. 225...

What is the maximum possible value of FR(mole/sec.) ?

A. 1/3 B. 1/2 C. 2/3 D. 2...