A. Admit the feed
B. Remove the product
C. Facilitate removal of non-condensable gases
D. Create vacuum
A. Same velocity profile or equal eddy diffusivities
B. Thermal or pressure mass diffusion
C. Viscous heating or chemical reaction
D. Both B. and C.
A. Condense the steam flowing in the pipeline
B. Remove water resulting from partial condensation of steam
C. Stop the supply of steam
D. None of these
A. Re, Pr
B. Re, Gr
C. Mainly Gr
D. Re only
A. 0
B. 1
C. > 1
D. Between 0 and 1
A. Facilitate cleaning of the exchanger
B. Increase the heat transfer area
C. Relieve stresses caused by thermal expansion
D. Increase log mean temperature gradient
A. Multipass heat exchanger
B. Baffled heat exchanger
C. Condensation of mixed vapour in a condenser
D. All A. B. and C.