കിട closer to the liquid concentration axis
Brlies closer to the gas concentration axis
Cis concave downwards
Deis concave upwards
Correct Answer:- Option-é
Question: Stacked packing compared to dumped packing
‘Acprovides good contact between the fluids
Br-gives lower pressure drop
Cegives higher pressure drop
D-none of the above
Correct Answer:-Question Cancelled
QuestionS6:-Heterogeneous azectropes exist when the vapor is in equilibrium with
‘Ac Dual liquid phase
B:-Dual solid phase
7
D-Ttiple phase
Correct Answer:- Option-C
QuestionS7:-The evaporator used in household refrigerators is
‘Acfrosting evaporator
B:-Non-+frosting evaporator
C=Defrosting evaporator
D-None of these
Correct Answer:- Option-é

QuestionS8:-A mixture consists of 30 kg A, 50 kg 8 and 20 kg C. (A = carrier liquid in the feed, B = extraction solvent, C = solute extracted). On the Janecke diagrams the coordinates
of the mixture point are

Ax =0.4,N=1
Box = 0.4,N= 06

Cox = 0.25,N

625

Dex

2,

05
Correct Answer:- ೦೧000,
QuestionS9:-The heat conduction in dry air is
‘Acless rapid than in steam
Bs-more rapid than in steam
C-similar to steam
Dnone of these
Correct Answer:- Option-é
Question60:-Tubular adsorber follows which isotherm 2
AcLangmuir
B:-Freundlich
೦-೧೮೫ adsorption
‏حم‎
‎Correct Answer:- Option-C
Question61:-Systemic insecticide
‘Acare absorbed throughout the plant
B:-kill insects following external bodily contact
Care stomach poisons
D-emits poisonous vapour
Correct Answer:- Option-é
Question62:-Sizing materials are incorporated in paper to

Acimparts resistance to penetration by liquids