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
Heat Transfer In a liquid-liquid heat exchanger, for the same process temperature, the ratio of the LMTD in parallel flow to the LMTD in counter flow is always < 1 > 1 ∞ 1 < 1 > 1 ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8. 40.4 40.8 20.4 20.8 40.4 40.8 20.4 20.8 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer depends upon the __________ number. Nusselt Reynolds Biot Prandtl Nusselt Reynolds Biot Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Hot water (0.01 m³ /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m³/min) of density 800 kg/m³ and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately 45 37 50 32 45 37 50 32 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Trap is used to remove __________ from steam pipe lines. Steam Condensate None of these Non-condensables Steam Condensate None of these Non-condensables ANSWER DOWNLOAD EXAMIANS APP
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