Chemical Engineering - Chemical Engineering Basics

6.
Which of the following alloying elements when added in steel does not improve its lachinability ?
Sulphur
Phosphorous
Copper
Lead
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
Largest application of laser welding is in __________ welding.
microspot
under water
precious metals
heavy structure
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
Which of the following is a neutral flux used in the pyrometallurgy of metal extraction?
Quartz
Flourspar
Dolomite
Manganese ore
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm2 .
273.15
225.65
100.03
373.15
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
Value of a material is usually considered as a relationship between
cost and profit.
utility and appearance.
utility and cost.
reliability and utility.
Answer: Option
Explanation:
No answer description is available. Let's discuss.