Related Questions

In case of saddle packing (e.g., berl and intralox saddles), the maximum size of the packing should not exceed __________ of the column diameter.
A $${\frac{1}{5}^{{\text{th}}}}$$
B $${\frac{1}{{15}}^{{\text{th}}}}$$
C $${\frac{1}{{30}}^{{\text{th}}}}$$
D $${\frac{1}{{50}}^{{\text{th}}}}$$
Stacked packing compared to dumped packing
A Provides poorer contact between the fluids
B Gives lower pressure drop
C Both A & B
D Gives higher pressure drop
In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing.
A Greater than
B Smaller than
C Equal to
D Either A, or B ; depends on the type of packing
There are one octahedral void and __________ tetrahedral void in the closest packing of atoms.
A One
B Two
C Three
D None of these
The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void.
A Equal to
B Greater than
C Less than
D Either A, B or C; depends on the size of atom
Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.
A Hexagonal close, packed (hcp)
B Face centred cubic (fcc)
C Body centred cubic (bcc)
D Simple cubic
Patriotism, like so many other objects of this imperfect world, is a -----web of good and evil.
A complicated
B intricate
C tangled
D entangled
When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as
A Isomers
B Isotopes
C Isobars
D Isotones
What is the type of welding defect caused due to shrinkage during solidification and by weld stresses called?
A Incomplete fusion
B Lamellar tearing
C Mismatch
D Shrinkage void
A casting defect which occurs due to improper venting of sand is known as
A Cold shuts
B Blow holes
C Shift
D Swell

Next steps