A. (BTU/hr.ft2. °F)-1
B. (kcal/hr.m2.°C)-1
C. (W/m2.°K)-1
D. (kcal/hr. m. °C)-1
A. Inner
B. Outer
C. Approximate
D. None of these
A. Rivets
B. A hold down bar
C. Bolts
D. Both B. and C.
A. Preferably flow inside the tube for its easier internal cleaning
B. Preferably flow outside the tube
C. Flow at a very slow velocity
D. Flow outside the tube, when the flow is counter-current and inside the tube when the flow is
co-current
A. Laminar flow
B. Complete back mixing
C. Plug flow
D. Eddy diffusivity = 0
A. Zig-zag
B. Chain
C. Diamond
D. None of these
A. To increase the residence time of shell side fluid
B. To provide support to the tube bundle
C. To reduce the induced vibration in the tubes
D. To increase the tube side heat transfer co-efficient by inducing turbulence