Process Equipment and Plant Design
Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is

Less
More or less depending upon the pressure & temperature inside the vessel and the nature of the fluid contained therein
Same
More

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the

Economic limit reached, when the plant cost exceeds the saving of steam
Practical limit reached, due to low heat transfer rate because of inadequate temperature difference
Neither A nor B
Both A & B

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
When one of the fluids is highly corrosive and has fouling tendency, it should

Preferably flow inside the tube for its easier internal cleaning
Perferably flow outside the tube
Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current
Flow at a very slow velocity

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
Liquid gradient over a tray can be minimised by

All of these
Providing a higher skirt clearance or a higher weir
Decreasing the number of rows of caps through which the liquid flows or by decreasing the velocity of liquid flow past the caps or by reducing the distance along the tray through which the liquid must
Using split flow, radial flow or cascade flow for column diameter large than 4 ft

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Process Equipment and Plant Design