Heat Transfer
A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number.

Condensation
Grashoff
Brinkman
Stantan

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Heat Transfer
In a gas-liquid shell and tube heat exchanger, the

Gases to be heated/cooled is normally routed through the shell side, because the corrosion caused by the cooling water or steam condensate remain localised to the tubes
All of these
Gases under high pressure are routed through the tube side, because high pressure gases are corrosive in nature
Presence of a non-condensible gas decreases the condensing film co-efficient

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