Heat Transfer The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation. Lower than Is same as Greater than Half Lower than Is same as Greater than Half ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer by radiation from a mild steel surface is to be reduced by reducing the emissivity of the surface. This can be best achieved by Painting the surface white (with aluminium paint) Roughening the surface Giving the surface a mirror finish Painting the surface black Painting the surface white (with aluminium paint) Roughening the surface Giving the surface a mirror finish Painting the surface black ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid. Nucleate Pool None of these Low pressure Nucleate Pool None of these Low pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For __________ Prandtl number values, the heat conduction will be negligible in the buffer zone. Extremely low High No Low Extremely low High No Low ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Choose the correct equation. Nu = (Re)(Pr) Nu = (Pr)(St) Nu = (Re) (Pr) (St) Nu = (Re) (Pr) (Gz) Nu = (Re)(Pr) Nu = (Pr)(St) Nu = (Re) (Pr) (St) Nu = (Re) (Pr) (Gz) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Fourier number (defined as a.t/L²) is used in the analysis of problem involving heat transfer by Natural convection Transient conduction Forced convection Steady state conduction Natural convection Transient conduction Forced convection Steady state conduction ANSWER DOWNLOAD EXAMIANS APP
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