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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 14
6.
Semi-conductors normally employ __________ bonding.
co-ordinate
ionic
covalant
metallic
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
High endurance limit of carburised machine parts is because of the fact that carburisation
suppresses any stress concentration produced in the parts.
enhances the yield point of the material.
introduces a compressive layer on the surface.
produces a better surface finish.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
In __________ process, there is an increase in entropy with no degradation of energy.
isothermal expansion
isochoric heat addition
polytropic expansion
isobaric heat addition
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Which of the following is categorised as the plastic welding ?
Gas welding
Electric arc welding
Forge welding
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
In spite of large heat transfer co-efficients in boiling liquids, fins are used advantageously, where the entire surface is exposed to __________ boiling.
film
nucleate
transition
all modes of
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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