Heat Transfer In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid. Pool Nucleate None of these Low pressure Pool Nucleate None of these Low pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is Nu = Gz Nu = 0.023 Re0.8 . Pr0.4 Nu = 2Gz0.5 Nu = Gz Nu = Gz Nu = 0.023 Re0.8 . Pr0.4 Nu = 2Gz0.5 Nu = Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dietus-Boelter equation cannot be used for molten metals mainly due to its very low Grashoff number thermal conductivity Prandtl number viscosity Grashoff number thermal conductivity Prandtl number viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the True temperature drop increases Capacity of the evaporator is increased Capacity of the evaporator is decreased Both B and C True temperature drop increases Capacity of the evaporator is increased Capacity of the evaporator is decreased Both B and C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivities of most of the liquids __________ with rise in temperature. Decreases May increase or decrease; depends on the liquid Increases Remains unchanged Decreases May increase or decrease; depends on the liquid Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Among liquids, water has a comparatively high value of thermal conductivity, due to its Low density High viscosity Partial ionisation Dense structure Low density High viscosity Partial ionisation Dense structure ANSWER DOWNLOAD EXAMIANS APP
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