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.Management Sciences
A. Increases
B. Decreases
C. Remains unchanged
D. May increase or decrease; depending on temperature
Related Mcqs:
- Fouling factor for a heat exchanger is given by (where, U1 = heat transfer co-efficient of dirty surface U2 = heat transfer co-efficient of clean surface) ?
- A. U1 – U2 B. 1/U1 – 1/U2 C. 1/U2 – 1/U1 D. U2 – U1...
- Nucleate boiling is promoted ___________________?
- A. On polished surfaces B. On rough surfaces C. In the absence of agitation D. None of these...
- jH factor for heat transfer depends upon the ____________ number?
- A. Biot B. Nusselt C. Reynolds D. Prandtl...
- A BTU/hr.ft.2 °F is equal to_________________?
- A. 1 kcal/hr. m2°C B. 4.88 kcal/hr. m.2°C C. 1 kcal/hr. m2.°K D. None of these...
- Nusselt number is a function of Prandtl number and ______________ number of fluid in natural convection heat transfer?
- A. Grashoff B. Biot C. Stanton D. Reynolds...
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