IndiaBIX

Chemical Engineering - Heat Transfer

Exercise : Heat Transfer - Section 6
41.
View factor is important in heat transfer by
steady state conduction
natural convection
forced convection
radiation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The advantage of using a 1 - 2 shell and tube heat exchanger over a 1 - 1 shell and tube heat exchanger is
lower tube side pressure drop.
lower shell side pressure drop.
higher tube side heat transfer co-efficient.
higher shell side heat transfer co-efficient.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
For a multipass shell and tube heat exchanger, the LMTD correction factor is always
1
> 1
< 1
between 1 & 2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
If heat transfer rate varies with the time, it is termed as
forced convection
steady state conduction
monochromatic radiation
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Pick out the wrong statement.
Fluid movement under the influence of buoyant forces resulting from change in density takes place in case of natural convection.
The ratio NNu/NRe . Npr is called the Stanton number.
The Peclet number is a measure of the ratio of energy transport by convection to that by conduction.
The Colbum jH factor for heat transfer is given by Nst Npr.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers