Heat Transfer
The purpose of providing bleed points in the evaporator is to

Create vacuum
Admit the feed
Facilitate removal of non-condensable gases
Remove the product

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m² .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the

Condensate is corrosive in nature
Lower pressure drop through the exchanger is desired
Temperature of the incoming vapor is very high
Higher condensing film co-efficient is desired

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Baffle spacing

Should be less than the inside diameter of the shell
Should be less than one fifth the diameter of the shell
None of these
Is not the same as baffle pitch

ANSWER DOWNLOAD EXAMIANS APP