417. In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction,
418. Use of raschig rings in place of crushed stones as packing in packed beds (other things being same)
419. The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is
420. Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer.
Page 60 of 94