Heat Transfer The value of Stefan-Boltazman constant in SI unit is 5.6697 x 10-8kcal/m² . °K4 0.1714 x 10-8W/m².°K4 5.6697 x 10-8W/m².°K4 0.1714 x 10-8kcal/m². °K4 5.6697 x 10-8kcal/m² . °K4 0.1714 x 10-8W/m².°K4 5.6697 x 10-8W/m².°K4 0.1714 x 10-8kcal/m². °K4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Stefan-Boltzman constant depends on the Temperature Surface None of these Medium Temperature Surface None of these Medium ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In an extended surface heat exchanger, fluid having lower co-efficient Flows outside the tubes Can flow either inside or outside the tubes Should not be used as it gives very high pressure drop Flows through the tube Flows outside the tubes Can flow either inside or outside the tubes Should not be used as it gives very high pressure drop Flows through the tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has maximum thermal conductivity? Nitrogen Iron Tar Coal Nitrogen Iron Tar Coal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Asymptotic conditions is reached, when for a fluid flowing in laminar flow through a long tube 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 Exit fluid temperature < wall temperature ANSWER DOWNLOAD EXAMIANS APP
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