Chemical Engineering - Chemical Engineering Basics

6.
Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is
black
silver grey
green
yellow
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
What is the percentage of chromium in 18-4-1 high speed steel ?
1
4
18
23
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
Preheating before welding is done to
make the plate softer.
burn oil & grease sticking to plate surfaces.
avoid plate distortion.
prevent cold cracks.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)
1/k
k
k2
1/k2
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
Dew point temperature always gives an indication of the __________ of the moist air.
dryness
moisture content
coolness
latent heat
Answer: Option
Explanation:
No answer description is available. Let's discuss.