• 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
The diffusivity (D) in a binary gas mixture is related to the pressure (P) as

D ∝ P0.5
D ∝ 1/P0.5
D ∝ 1/P
D ∝ 1/P1.5

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

-1.5
-0.6
1.5
0.6

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Use of packed towers for distillation is generally limited to the

Small sizes
Multicomponent distillation
High pressure operation
Vacuum distillation

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
H₂S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H₂S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is

0.56
2
1
1.56

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Lewis number (Le) is

St x Sh
Sh x Pr
Pr x St
Sc x Pr

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
During constant rate period, the rate of drying decreases with the

Decrease in air temperature
Increase in air humidity
Neither A nor B
Both A & B

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
↑