Heat Transfer A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides Lower capacity Both A & B Higher economy Lower economy Lower capacity Both A & B Higher economy Lower economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Increasing the liquor level in the evaporator results in the increase in liquor film co-efficient decreased capacity decreased effect of hydrostatic head increased true temperature drop increase in liquor film co-efficient decreased capacity decreased effect of hydrostatic head increased true temperature drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal boundary layer at NPr > 1 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 Is thicker than hydrodynamic boundary layer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A cube, sphere & a thin circular plate (all having same mass and made of same material) are all heated to 300°C and allowed to cool in natural air. Which one will cool the slowest ? Plate All of these Sphere Cube Plate All of these Sphere Cube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is obtained in __________ flow. Transition region Creeping Laminar Turbulent Transition region Creeping Laminar Turbulent ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to Facilitate increase of shell length, if needed Impart structural strength Increase the heating load Account for the uneven expansion of shell and tube bundles Facilitate increase of shell length, if needed Impart structural strength Increase the heating load Account for the uneven expansion of shell and tube bundles ANSWER DOWNLOAD EXAMIANS APP
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