Heat Transfer In a heat exchanger, floating head is provided to increase log mean temperature gradient facilitate cleaning of the exchanger increase the heat transfer area relieve stresses caused by thermal expansion increase log mean temperature gradient facilitate cleaning of the exchanger increase the heat transfer area relieve stresses caused by thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A BTU/hr.ft.2 °F is equal to 1 kcal/hr. m².°K None of these 4.88 kcal/hr. m.2°C 1 kcal/hr. m²°C 1 kcal/hr. m².°K None of these 4.88 kcal/hr. m.2°C 1 kcal/hr. m²°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The most conducive surface for dropwise condensation to occur is the __________ surface. Oily Glazed & polished Smooth Coated Oily Glazed & polished Smooth Coated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus-Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of 37 1.74 6.1 1 37 1.74 6.1 1 ANSWER DOWNLOAD EXAMIANS APP
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 Non-dimensional factor None of these Factor of safety Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient Non-dimensional factor None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the minimum absorptivity? Aluminium foil Iron plates Refractory bricks Coal dust Aluminium foil Iron plates Refractory bricks Coal dust ANSWER DOWNLOAD EXAMIANS APP
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