PROCESS EQUIPMENT AND PLANT DESIGN QUIZ

Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is

Less

Same

About 3 times

About 0.33 times

TRUE ANSWER : ?
YOUR ANSWER : ?

Longitundinal stress induced in a thin walled cylindrical storage vessel is

PD/6t

PD/3t

PD/2t

PD/4t

TRUE ANSWER : ?
YOUR ANSWER : ?

Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as 'd' will be

√(2πd)

√(2d)

D

√d

TRUE ANSWER : ?
YOUR ANSWER : ?

Lap joints are preferred for plates having thickness __________ mm.

< 12.5

> 5

43961

> 3

TRUE ANSWER : ?
YOUR ANSWER : ?

High pressure fluid in a shell and tube heat exchanger should preferably be routed through the

Shell side, if the flow is counter-current and tube side if the flow is co-current

Shell side for smaller total pressure drop

Shell side for large overall heat transfer co-efficient

Tubes to avoid the expansion of high pressure shell construction

TRUE ANSWER : ?
YOUR ANSWER : ?

Power required for agitation depends upon the

Size of agitator & the tank

All of these

Agitator type & speed of agitation

Height & properties of the liquid

TRUE ANSWER : ?
YOUR ANSWER : ?

Mc Cable Thiele method used for finding theoretical stages in a distillation column assumes that the

Liquid/vapor loading across the column remains constant

All of these

Trouton's rule is applicable

Sensible heat differences are small, because the temperature changes from tray to tray is small

TRUE ANSWER : ?
YOUR ANSWER : ?

Diameter of the seive tray column is determined by the

Upper limit of the vapour velocity

Height of the plate spacing

Hole diameter of the seive tray

Lower limit of vapour velocity

TRUE ANSWER : ?
YOUR ANSWER : ?

A stuffing box is used for

Facilitating smooth opening and closing of a valve

Reducing the resistance of fluid flow

Absorbing the contraction/expansion of pipeline due to temperature changes

Prevention of fluid leakage around moving parts

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ closure is the weakest enclosure for cylindrical vessels.

Torispherical

Conical or flat plate

Hemispherical

Elliptical

TRUE ANSWER : ?
YOUR ANSWER : ?