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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 9
36.
With increase in temperature, the electrical conductivity of a __________ decreases.
semi-conductor
metal or alloy
dielectric
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.
deuterium
hydrogen
neon
helium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Which of the following gases cause global warming ?
Carbon monoxide
Carbon dioxide
Nitrogen
Ozone
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Multistage compression of air as compared to single stage compression offers the advantage of
power saving per unit weight of air delivered.
moisture elimination in the inter-stage cooler.
increased volumetric efficiency.
all (a), (b) & (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Fine grained steels have
high brittleness
higher tendency to distort
high ductility
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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