LMTD can't be used as such without a correction factor for the

Related MCQs

• Out of the following four assumptions used in the derivation of the equation for LMTD [LMTD = (∆t1 - ∆t2)/ln(∆t1/∆t2)], which one is subject to the largest deviation in practice ?
• For a multipass shell and tube heat exchanger, the LMTD correction factor is always
• It is not recommended to use a 1-2 shell and tube heat exchanger for a particular heat duty, whenever the LMTD correction factor is
• LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is
• 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
• Correction is applied to LMTD for __________ flow.
• A correction of LMTD is necessary in case of
• LMTD for evaporators & condensers for a given terminal parameters & set of conditions for counter-flow is equal to that for parallel flow. In such heat exchangers, with one of the fluids condensing or evaporating, the surface area required is the least in the __________ flow.
• Log mean temperature difference (LMTD) cannot be used, if
• LMTD in case of counter flow heat exchanger as compared-to parallel flow heat exchanger is