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.Management Sciences
A. Facilitate the cleaning of outer tube surface
B. Enhance turbulence
C. Hold the tubes in position
D. All A , B & C
Related Mcqs:
- Evaporation by thermo compression results in the _________________________?
- A. Saving of steam B. Realisation of multiple effect economy in a single effect C. Both A. and B. D. None of these...
- Natural convection is characterised by__________________?
- A. Grashoff number B. Peclet number C. Reynolds number D. Prandtl number...
- In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of___________________?
- A. Concentrations B. Chemical potentials C. Activity co-efficients D. Mass transfer co-efficients...
- Graetz number is given by__________________?
- A. mCp/kL B. kL/mCp C. mCp/kμ D. kμ/mCp...
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