Heat Transfer The thermal boundary layer at NPr > 1 Is thinner than hydrodynamic boundary layer Is thicker than hydrodynamic boundary layer Disappears And the hydrodynamic boundary layer are identical Is thinner than hydrodynamic boundary layer Is thicker than hydrodynamic boundary layer Disappears And the hydrodynamic boundary layer are identical ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a multipass shell and tube heat exchanger, tube side return pressure loss is equal to __________ the velocity head four times none of the listed here twice square root of four times none of the listed here twice square root of ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? Square pitch Triangular pitch None of these Diagonal square pitch Square pitch Triangular pitch None of these Diagonal square pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Shell side pressure drop in a shell and tube heat exchanger does not depend upon the None of these Tube diameter & pitch Viscosity, density & mass velocity of shell side fluid Baffle spacing & shell diameter None of these Tube diameter & pitch Viscosity, density & mass velocity of shell side fluid Baffle spacing & shell diameter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Dowtherm Molten sodium Water Air Dowtherm Molten sodium Water Air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer One kilogram of water at 0°C is changed to superheated steam of one atm pressure and 300° C. The major heat consumption in the process will be to Evaporate the water Heat the water from 0°C to 100°C To superheat the steam Data insufficient, can Evaporate the water Heat the water from 0°C to 100°C To superheat the steam Data insufficient, can ANSWER DOWNLOAD EXAMIANS APP
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