11. The film thickness for laminar film condensation on vertical surface __________ from top to bottom.
12. The overall resistance for heat transfer through a series of flat resistance, is the __________ of the resistances.
13. For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then
14. A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m2.K. The Biot number is
15. A 2-4 heat exchanger involves
16. A BTU/hr.ft2.°F is equal to
17. A dephlegmator is a
18. Nusselt number for full developed, laminar, constant property flow in a pipe at uniform heat flux is
19. Value of Nusselt number $$\left( {{\text{Nu}} = \frac{{{\text{hD}}}}{{\text{k}}}} \right)$$ for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is
20. What is the absorptivity of a black body?
Read More Section(Heat Transfer)
Each Section contains maximum 100 MCQs question on Heat Transfer. To get more questions visit other sections.