For an ideal plug flow reactor, the value of Peclet number is_______________?

Related Mcqs:

_____________ gas is normally employed in B.E.T. method of finding out the surface area of catalyst?

A. N2 B. H2 C. CO2 D. He...

In the hydrodealkylation of toluene to benzene, the following reactions occur: C7H8 + H2 → C6H6 + CH4 2C6H6 ⇌ C12H10 + H2 Toluene and hydrogen are fed to a reactor in a molar ratio 1:5.80% of the toluene gets converted and the selectivity of benzene(defined as moles of benzene formed/moles of toluene converted) is 90%. The fractional conversion of hydrogen is_______________________?

A. 0.16 B. 0.144 C. 0.152 D. 0.136...

The effectiveness factor for large value of Thiele modulus [L√(K/D1)] of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm2/second) ?

A. L √(K/D1) B. 1/[L√(K/D1)] C. 1 D. ∞...

Effectiveness factor of a catalyst pellet is a measure of the _________________ resistance?

A. Pore diffusion B. Gas film C. Chemical reaction D. None of these...

Which of the following is a controlling factor in very fast heterogeneous reaction ?

A. Heat and mass transfer effects B. Pressure C. Temperature D. Composition of reactant...