• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Chemical Reaction Engineering

Chemical Reaction Engineering
When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is

1
> 1
< 1

ANSWER DOWNLOAD EXAMIANS APP

Chemical Reaction Engineering
Space time equals the mean residence time

For large diameter tubular reactor
When the density of the reaction mixture is constant
For CSTR
For narrow diameter tubular reactor

ANSWER DOWNLOAD EXAMIANS APP

Chemical Reaction Engineering
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)

1/(L√(K/D1))
1
L√(K/D1)
∞

ANSWER DOWNLOAD EXAMIANS APP

Chemical Reaction Engineering
If 'n' is the order of reaction, then unit of rate constant is

None of these
(time)n - 1 (concentration)
1/(time)(concentration)n - 1
(time)-1 (concentration)n - 1

ANSWER DOWNLOAD EXAMIANS APP

Chemical Reaction Engineering
The following gas phase reactions are carried out isothermally in a CSTR.A → 2R ; r₁ = K₁pA ;K₁ = 20mole/(sec.m³ bar)A → 3S ; r₂ = K₂ pA ;K₂ = 40mole/ (sec.m³ .bar)What is the maximum possible value of FR(mole/sec.) ?

43864
43833
43832
2

ANSWER DOWNLOAD EXAMIANS APP

Chemical Reaction Engineering
What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on?

Litre/mole.second
Litre/mole
Litre/second
Moles/litre.second

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Chemical Reaction Engineering

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑