Heat Transfer 'Fouling factor' used in the design of a multipass shell and tube heat exchanger is a Factor of safety Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient None of these Non-dimensional factor Factor of safety Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient None of these Non-dimensional factor 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 Solid angle subtended by the finite surface at the radiating element is called the angle of vision called the view factor. proportional to the square of the distance between surfaces expressed in terms of radians called the angle of vision called the view factor. proportional to the square of the distance between surfaces expressed in terms of radians ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For flow over a flat plate, the ratio of thermal boundary layer thickness, 'xt' and hydrodynamic boundary layer thickness 'x' is equal to (where, NPr = Prandtl number) NPr1/3 NPr-1 NPr NPr-1/3 NPr1/3 NPr-1 NPr NPr-1/3 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas Remains same May increase or decrease depending on the type of gas Increases Decreases Remains same May increase or decrease depending on the type of gas Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient Is not affected Increases Decreases May increase or decrease; depends on the feed Is not affected Increases Decreases May increase or decrease; depends on the feed ANSWER DOWNLOAD EXAMIANS APP
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