Indirect contact heat exchangers are preferred over direct contact heat
exchangers, because
(A) Heat transfer co-efficient are high
(B) There is no risk of contamination
(C) There is no mist formation
(D) Cost of equipment is lower
exchangers, because
(A) Heat transfer co-efficient are high
(B) There is no risk of contamination
(C) There is no mist formation
(D) Cost of equipment is lower