• 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
Mechanism of moisture removal in case of freeze drying of food stuff is by

Dehydration
Sublimation
Adsorption
Evaporation

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.

8
12
6
10

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient)

KL/DA²
KL².DA
√(KL².DA)
KL²/DA

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty?

Sieve plate column
Randomly packed column
Wetted wall column
Bubble cap column

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Batch tray dryers suffers from the disadvantage of

High maintenance cost
Non-uniform & low production rate
High labour cost & low heat economy
All of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Which of the following binary systems is an example of a maximum boiling azeotrope?

Water-hydrochloric acid
Water-ethyl alcohol
Acetone-carbon disulphide
None of the listed here

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
↑