A. Only counter-flow of fluids
B. Only parallel-flow of fluids
C. Both counter and parallel-flow of the fluids
D. Smaller pressure drop compared to 1-2 exchanger
A. Reynolds number
B. Prandtl number
C. Grashoff number
D. None of these
A. Heating volume
B. Heat transfer area
C. Nusselt number
D. None of these
A. Basket type
B. Horizontal tube
C. Short tube vertical
D. Long tube vertical
A. 11.2 kW/m2
B. 12.0 kW/m2
C. 14.6 kW/m2
D. 16.5 kW/m2
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. Rate of heat transfer
B. Flow velocity
C. Turbulence of shell side fluid
D. All A., B. and C.