Heat Transfer Dietus-Boelter equation cannot be used for molten metals mainly due to its very low viscosity thermal conductivity Grashoff number Prandtl number viscosity thermal conductivity Grashoff number Prandtl number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Liquid viscosity Liquid density Interfacial tension Hot surface temperature Liquid viscosity Liquid density Interfacial tension Hot surface temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The advantage of backward feed multiple effect evaporators over forward feed units is that Most concentrated liquid is at highest temperature Equal heat transfer co-efficients exist in various effects There is no additional cost of pumping Heat sensitive material can be handled Most concentrated liquid is at highest temperature Equal heat transfer co-efficients exist in various effects There is no additional cost of pumping Heat sensitive material can be handled ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As the difference between the wall temperature and bulk temperature increases, the boiling heat transfer co-efficient continues to increase goes through a minimum goes through a maximum. continues to decrease continues to increase goes through a minimum goes through a maximum. continues to decrease ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A graph between __________ is called Wilson plot. 1/v0.8 Vs . U 1/U Vs . 1/v0.8 V0.8 Vs . U 1/U Vs . 1/V 1/v0.8 Vs . U 1/U Vs . 1/v0.8 V0.8 Vs . U 1/U Vs . 1/V ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Finned tube heat exchangers use metal fins of low thermal conductivity facilitate very large temperature drop through tube wall give larger area per tube are used for smaller heat load use metal fins of low thermal conductivity facilitate very large temperature drop through tube wall give larger area per tube are used for smaller heat load ANSWER DOWNLOAD EXAMIANS APP
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