Heat Transfer 'Fouling factor' used in the design of a multipass shell and tube heat exchanger is a Non-dimensional factor Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient Factor of safety None of these Non-dimensional factor Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient Factor of safety None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Among liquids, water has a comparatively high value of thermal conductivity, due to its High viscosity Partial ionisation Low density Dense structure High viscosity Partial ionisation Low density Dense structure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its High proportion of air space None of these High specific heat Dense structure High proportion of air space None of these High specific heat Dense structure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of 'n' is exactly 4 for All bodies Polished bodies only A black body Black painted bodies only All bodies Polished bodies only A black body Black painted bodies only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. None of these Decreased Increased No effect on None of these Decreased Increased No effect on ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat exchangers operating, when the asymptotic range is reached, Provide very large heat transfer co-efficient None of these Results in abruptly increased velocity Results in making part of the heating surface inactive Provide very large heat transfer co-efficient None of these Results in abruptly increased velocity Results in making part of the heating surface inactive ANSWER DOWNLOAD EXAMIANS APP