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

Mass Transfer

Mass Transfer
Water entrained by circulating air in cooling towers is termed as

Drift
Vapor load
Blow down
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time)

(De.t)1/2
(De/t)1/2
(4De/t)
(4De/πt)1/2

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn.

10
8
6
12

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Solvent used in extractive distillation

Forms a low boiling azeotrope
Forms a high boiling azeotrope
Is of low volatility
Does not alter the relative volatility of the original components

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Rose oil is extracted from rose leaves using __________ distillation.

Low pressure
High pressure
Steam
Extractive

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Which of the following has the same dimension as mass diffusivity?

Momentum flux
Both Momentum flux & Kinematic viscosity
Thermal diffusivity
Kinematic viscosity

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Mass Transfer

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
↑