Heat Transfer The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) ∝ √t ∝ t ∝ 1/t Independent of 't' ∝ √t ∝ t ∝ 1/t Independent of 't' ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation heat transfer rates does not depend upon the type of absorbing surface distance between the heat source and the object receiving the heat surface area and temperature of the heat source none of the listed here type of absorbing surface distance between the heat source and the object receiving the heat surface area and temperature of the heat source none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A perfect black body is a perfect __________ of radiation absorber emitter Both emitter & absorber none of the listed here absorber emitter Both emitter & absorber none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, floating head is provided to relieve stresses caused by thermal expansion increase the heat transfer area facilitate cleaning of the exchanger increase log mean temperature gradient relieve stresses caused by thermal expansion increase the heat transfer area facilitate cleaning of the exchanger increase log mean temperature gradient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Circulation pump is located below the evaporater to Create more suction head Avoid frequent priming None of these Avoid cavitation Create more suction head Avoid frequent priming None of these Avoid cavitation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal boundary layer at NPr > 1 Is thicker than hydrodynamic boundary layer Is thinner than hydrodynamic boundary layer Disappears And the hydrodynamic boundary layer are identical Is thicker than hydrodynamic boundary layer Is thinner than hydrodynamic boundary layer Disappears And the hydrodynamic boundary layer are identical ANSWER DOWNLOAD EXAMIANS APP
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