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 Which of the following has maximum thermal conductivity? Iron Tar Nitrogen Coal Iron Tar Nitrogen Coal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the minimum thermal conductivity? Nitrogen Tar Steel Carbon black Nitrogen Tar Steel Carbon black ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus-Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of 37 1.74 1 6.1 37 1.74 1 6.1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a counter current heat exchanger with Tih = 80°C, T°c = 60°C, T°h = 50°C and Tic = 30°C, and the temperature difference between the two streams being the same everywhere along Z, the direction of flow of hot fluid. The temperature profile should satisfy dT/dZ = 0 d²T/dZ² < 0 d²T/dZ² = 0 d²T/dZ² > 0 dT/dZ = 0 d²T/dZ² < 0 d²T/dZ² = 0 d²T/dZ² > 0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Crystallisation of solids from a homogeneous solution is a/an __________ process. Highly endothermic Exothermic Mildly endothermic None of these Highly endothermic Exothermic Mildly endothermic None of these ANSWER DOWNLOAD EXAMIANS APP