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EK-General – EKG-Section A : 2021/DEC/05 – 2015/DEC/04 – 2018/OCT/04
Question
Q5. Describe EACH of the following heat exchanger types, stating a suitable application for EACH type:
(a) parallel flow; (3)
(b) contra flow; (3)
(c) mixed flow. (4)
Asked in Year/Month/Ques No.
Synopsis
>> Alignment can be checked with conventional methods, employing light and targets, laser or measurements from a taut wire. There is, however, a continuity problem because the line of sight or taut wire cannot extend over the full length of an installed shaft.
Marker's Feedback
21-Dec: Very popular question, nearly every candidate answered this, so no problems.
18-Oct: Mostly well answered for those who were prepared for the examination – no problems here.