Heat Transfer
If the baffle spacing in a shell and tube heat exchanger increases, then the Reynolds number of the shell side fluid

Remains unchanged
Increases or decreases depending on number of shell passes
Decreases
Increases

ANSWER DOWNLOAD EXAMIANS APP

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

All of these
Presence of a non-condensible gas decreases the condensing film co-efficient
Gases under high pressure are routed through the tube side, because high pressure gases are corrosive in nature
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

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Heat Transfer