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The wetted perimeter ______ on adding fins hence the flow area _____

The wetted perimeter ______ on adding fins hence the flow area _____ Correct Answer Increases, Decreases

Adding Fins to the surface, the interaction of the fluid with the wall increases, the wall now occupies a larger portion of the flow area hence its wetted perimeter increases with a decrease in flow area.

Related Questions

Consider the following statements pertaining to heat transfer through fins (i) They must be arranged at right angles to the direction of flow of working fluid (ii) The temperature along the fin is variable and accordingly heat transfer rate varies along the fin elements (iii) Fins are equally effective irrespective whether they are on the hot side or cold side of the fluid (iv) Fins are made of materials that have thermal conductivity higher than that of wall Identify the correct statements
It is said that fins can take a variety of forms (i) Longitudinal fins of rectangular cross section attached to a wall (ii) Cylindrical tubes with radial fins (iii) Conical rod protruding from a wall Identify the correct statement
Samples A, B, C and D are tested for their nature using turmeric and Phenolphthalein and the following observations are recorded. A- turns reddish-brown on adding turmeric B- turns pink on adding Phenolphthalein C- turns yellow on adding turmeric D- remains colourless on adding Phenolphthalein What can be concluded about the nature of A, B, C and D?
Statement: Syrian President Bashar al-Assad has revealed during an interview that a direct clash between the US and Russia in Syria was narrowly avoided "by the wisdom of the Russian leadership".  Which of the following objection(s) might be a probable reason(s) for such a revelation by Syrian President Bashar al-Assad? I. Adding that Syria needs Russian support, Assad said, "At the same time we need to avoid the American foolishness in order to be able to stabilise our country". II. Adding that Syria needs American support, Assad said, "At the same time we need to avoid the American foolishness in order to be able to stabilise our country". III. Adding that Syria needs Russian support, Assad said, "At the same time we need to avoid the Russian foolishness in order to be able to stabilise our country". IV. Adding that Syria needs American support, Assad said, "At the same time we need to avoid the Russian foolishness in order to be able to stabilise our country".
In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out ofthe four alternatives.
We have rich cultural _____ . Its roots go into _____. Ours has never been a closed ______. It has _______ just like a tree, ______ to external ______ but holding itsroots _______. But one wonders today whether it will be able to hold its _____. The ______ of our cultural heritage has come under the _____ of western culture.
We have rich cultural _____ .
In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out of the four alternatives.
We have rich cultural _____ . Its roots go into _____. Ours has never been a closed ______. It has _______ just like a tree, ______ to external ______ but holding itsroots _______. But one wonders today whether it will be able to hold its _____. The ______ of our cultural heritage has come under the _____ of western culture.
Its roots go into _____.
In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out ofthe four alternatives. We have rich cultural _____ . Its roots go into _____. Ours has never been a closed ______. It has _______ just like a tree, ______ to external ______ but holding itsroots _______. But one wonders today whether it will be able to hold its _____. The ______ of our cultural heritage has come under the _____ of western culture.
whether it will be able to hold its _____.
In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out ofthe four alternatives.
We have rich cultural _____ . Its roots go into _____. Ours has never been a closed ______. It has _______ just like a tree, ______ to external ______ but holding itsroots _______. But one wonders today whether it will be able to hold its _____. The ______ of our cultural heritage has come under the _____ of western culture.
the _____ of western culture.
In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out ofthe four alternatives.
We have rich cultural _____ . Its roots go into _____. Ours has never been a closed ______. It has _______ just like a tree, ______ to external ______ but holding itsroots _______. But one wonders today whether it will be able to hold its _____. The ______ of our cultural heritage has come under the _____ of western culture. Ours has never been a closed ______
In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out ofthe four alternatives.
We have rich cultural _____ . Its roots go into _____. Ours has never been a closed ______. It has _______ just like a tree, ______ to external ______ but holding its roots _______. But one wonders today whether it will be able to hold its _____. The ______ of our cultural heritage has come under the _____ of western culture.
just like a tree, ______ to external