A. 1
B. 7
C. 18
D. 26
A. 1 and 0
B. 0 and 1
C. 1 and ∞
D. 0 and 0.5
A. Presence of a non-condensable gas decreases the condensing film co-efficient
B. Gases under high pressure are routed through the tube side, because high pressure gases are
corrosive in nature
C. Gases to be heated/cooled is normally routed through the shell side, because the corrosion
caused by the cooling water or steam condensate remain localised to the tubes
D. All A, B. & C.
A. Steam
B. Condensate
C. Non-condensable
D. None of these
A. Is thicker than hydrodynamic boundary layer
B. Is thinner than hydrodynamic boundary layer
C. And the hydrodynamic boundary layers are identical
D. Disappears
A. Foaming
B. Viscous
C. Very thin
D. Corrosive
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