Chemical Engineering - Process Equipment and Plant Design

31.
__________ of water makes it a widely used coolant in heat exchangers.
Low corrosiveness
Low dirt factor
High specific heat
Low viscosity
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)
4 A/P
A/P
4 P/A
A
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid
containing suspended solids flows at low velocity.
containing suspended solids flows at high velocity.
is highly viscous.
is of high specific gravity.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
Lug support is meant for supporting __________ vessels.
large horizontal cylindrical
tall but empty
small
thick walled tall
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling.
CO2
SO2
NH3
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.