Heat Transfer The average heat transfer co-efficient over the entire length of the plate (ha) and the local heat transfer co-efficient (hL), in case of heat transfer over a flat plate in lminar zone is related as Ha= 5hL Ha = 2hL Ha = 0.8hL Ha = hL Ha= 5hL Ha = 2hL Ha = 0.8hL Ha = hL ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Choose the correct equation. Nu = (Re) (Pr) (Gz) Nu = (Re)(Pr) Nu = (Pr)(St) Nu = (Re) (Pr) (St) Nu = (Re) (Pr) (Gz) Nu = (Re)(Pr) Nu = (Pr)(St) Nu = (Re) (Pr) (St) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is More Less Either more or less ; depends on the nature of vapor Some More Less Either more or less ; depends on the nature of vapor Some ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In natural convection heat transfer, the correlating parameter is the Graetz number Bond number Grashoff number Eckert number Graetz number Bond number Grashoff number Eckert number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The driving potential for the crystal growth during crystallisation is the __________ of the solution. Viscosity Concentration Super-saturation Density Viscosity Concentration Super-saturation Density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single evaporator system, the steam economy __________ by creating vacuum in the evaporator. Remains constant Decreases May increase or decrease, depends on the vacuum Increases Remains constant Decreases May increase or decrease, depends on the vacuum Increases ANSWER DOWNLOAD EXAMIANS APP
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