Which one of the following is the correct expression for Friction Fact – McqOptions

MCQOPTIONS

1.	Which one of the following is the correct expression for Friction Factor in Packed Bed Columns?
A.	f = 150/Re
B.	f = 150/Re+1.75
C.	f = 180/Re+1.5
D.	f = 100/Re+0.0035
Answer» C. f = 180/Re+1.5

Discussion

No Comment Found

Related MCQs

Which one of the following is correct expression for sphericity of a particle?<br>Note: Vp = Volume of particle, Ap = Surface areas of the Particle.
What is the term in the Kozeny Carman equation for laminar flow in packed beds?<br> ( frac{ P}{L} = frac{-180 }{S^2 D_P^2} ( frac{(1- )^2}{ ^3}) _S )
A fully packed bed with small particle size has _________ pressure drop than a bed with larger particle size.
Which one of the following is the correct expression for Friction Factor in Packed Bed Columns?
In the Formula for porosity, what is the meaning of the term V?<br> = ( frac{V}{V_T} )
What is the relation between superficial velocity and average fluid velocity in a packed bed?
If we have a tube of diameter 30mm and particles of diameter 3mm, the length of the tube is 10cm and the number of pellets is 100. The flow rate is 5cm<sup>3</sup>/s, then what is the superficial velocity?
If we have a tube of diameter 30mm and particles of diameter 2mm, the length of the tube is 10cm and the number of pellets is 100. Then what is the porosity?
If we have very small dp/di < 0.01, then we may use ____________
In the Ergun equation, what do you understand by the term X?<br>f = P/L X/ &vartheta;<sub>S</sub><sup>2</sup>( <sup>3</sup>/(1- ))