Heat Transfer The advantage of using a 1 - 2 shell and tube heat exchanger over a 1 - 1 shell and tube heat exchanger is Lower tube side pressure drop Lower shell side pressure drop Higher tube side heat transfer co-efficient Higher shell side heat transfer co-efficient Lower tube side pressure drop Lower shell side pressure drop Higher tube side heat transfer co-efficient Higher shell side heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A diathermaneous substance __________ the thermal radiation completely. Transmits Absorbs None of these Reflects Transmits Absorbs None of these Reflects ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body cools down from 75°C to 70°C in 10 minutes. It will cool down from 70° C to 65° C in __________ minutes. 10 >10 Either B or C, depends on the mass of the body 10 >10 Either B or C, depends on the mass of the body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, floating head is used for High heat transfer co-efficient Less corrosion of tubes Large temperature differentials Low pressure drop High heat transfer co-efficient Less corrosion of tubes Large temperature differentials Low pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Stefan-Boltzman constant depends on the None of these Surface Medium Temperature None of these Surface Medium Temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Asymptotic conditions is reached, when for a fluid flowing in laminar flow through a long tube Exit-fluid temperature > wall temperature Graetz number > 100 Exit fluid temperature < wall temperature Exit fluid temperature = wall temperature Exit-fluid temperature > wall temperature Graetz number > 100 Exit fluid temperature < wall temperature Exit fluid temperature = wall temperature ANSWER DOWNLOAD EXAMIANS APP
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