Tubes are held between top and bottom tube sheets in Calandria type
evaporator by keeping
(A) Both the tube sheets fixed
(B) Both the tube sheets floating
(C) The top tube sheet floating and bottom tube sheet fixed
(D) The top tube sheet fixed and the bottom tube-sheet floating
evaporator by keeping
(A) Both the tube sheets fixed
(B) Both the tube sheets floating
(C) The top tube sheet floating and bottom tube sheet fixed
(D) The top tube sheet fixed and the bottom tube-sheet floating