Search
.Management Sciences
A. Type of absorbing surface
B. Distance between the heat source and the object receiving the heat
C. Surface area and temperature of the heat source
D. None of these
Related Mcqs:
- Pick out the wrong statement ?
- A. Heat transfer from a hot body to cold body by the emission of heat waves is called radiation B. Filmwise condensation takes place on non-wettable surfaces C. The boiling point of a solution is affected by liquid head as well as boiling point elevation D. None of these...
- Heat flux increases with temperature drop beyond the Leiden frost point in the plot of heat flux vs. temperature drop for a boiling liquid, because___________________?
- A. Convection becomes important B. Conduction becomes important C. Radiation becomes important D. Sub-cooled boiling occurs...
- The equation, Nst = (f/2)/[1 + 5 (Npr – 1) √(f/2)], corresponds to ______________ analogy?
- A. Von-Karman B. Reynolds C. Colburn D. Prandtl...
- What is the emissivity of a black body ?
- A. 0 B. 1 C. 0.5 D. 0.90...
- The heat transfer co-efficient in film type condensation is _______________ that for dropwise condensation?
- A. Greater than B. Lower than C. Is same as D. Half...
Recent Comments