Process Equipment and Plant Design
The function of manholes provided in the shell of a distillation column is to

Give access to the individual trays for cleaning, maintenance and installation
All of these
Keep a check on the liquid gradient over the plate by direct visual observation
Guard against foaming & entrainment by dumping antifoaming agent through it

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
The LMTD correction factor (FT) is defined as the

Differenced of true temperature difference and the LMTD
Ratio of LMTD to the true temperature difference
Geometric mean of the true temperature difference and the LMTD
Ratio of true temperature difference to the LMTD

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
In the design of a shell and tube heat exchanger, the corrosion allowance

For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm
Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc
For internal cover and tube sheet is provided on both the sides
All of these

ANSWER DOWNLOAD EXAMIANS APP