Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it Is more economical Is easy to operate and maintain Occupies smaller space All of these Is more economical Is easy to operate and maintain Occupies smaller space All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer, in which heat is transferred by movement of warmed matter is described by Newton's law of cooling None of these Fourier's law Fick's law Newton's law of cooling None of these Fourier's law Fick's law ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation energy is emitted by all the substances, which are above 0°C 0°K none of the listed here 100°C 0°C 0°K none of the listed here 100°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Gases Solids Both solids & liquids Liquids Gases Solids Both solids & liquids Liquids 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
Heat Transfer Which of the following is unimportant in forced convection ? Grashhoff number none of the listed here Prandtl number Reynolds number Grashhoff number none of the listed here Prandtl number Reynolds number ANSWER DOWNLOAD EXAMIANS APP
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