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.Management Sciences
A. Temperature gradient of the wall to that across the entire pipe
B. Temperature difference to the temperature gradient at the wall
C. Heat flux at the wall to that across the entire pipe
D. None of these
Related Mcqs:
- At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe ?
- A. 0.5 B. < 0.5 C. > 0.6 D. < 0.1...
- Planck’s distribution law is valid for _____________ bodies?
- A. Black B. White C. Coloured D. All A., B. & C....
- The dimensionless group in mass transfer that is equivalent to Prandtl number in heat transfer is_________________?
- A. Nusselt number B. Sherwood number C. Schmidt number D. Stanton number...
- Prandtl number is the ratio of________________?
- A. Momentum diffusivity to mass diffusivity B. Momentum diffusivity to thermal diffusivity C. Thermal diffusivity to mass diffusivity D. Thermal diffusivity to momentum diffusivity...
- Double pipe heat exchangers are used__________________?
- A. When heat transfer area required is very high B. When heat transfer area required is very low, i.e. (100-200 ft2). C. Because it occupies less floor area D. Because it is less costly...
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