The average heat transfer co-efficient over the entire length of the plate
(ha
) and the local heat transfer co-efficient (hL
), in case of heat transfer over
a flat plate in laminar zone is related as
(A) ha = 0.8hL
(B) ha = 2hL
(C) ha = hL
(D) ha = 5hL
(ha
) and the local heat transfer co-efficient (hL
), in case of heat transfer over
a flat plate in laminar zone is related as
(A) ha = 0.8hL
(B) ha = 2hL
(C) ha = hL
(D) ha = 5hL