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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 3
41.
Dry saturated steam can be converted into superheated steam by
increasing its cross-sectional area of flow.
passing it through a pressure reducing valve.
forcing it downwards through a vertical tube.
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Pick out the wrong statement.
Copper is the metal having the highest electronic conductivity.
Hardenability & weldability of metals are inversely related.
Covalant bonding formed by sharing of electrons is present in all semi-conductor materials.
Glass transition temperature applies to 'polymers' but not to 'glasses'.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Increasing sulphur content in pig iron tends to make it
soft
hard
tough
ductile & malleable
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Oxyacetylene reducing flame is used while carrying out welding on
alloy steel
grey cast iron
mild steel
high carbon steel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
M10 index of coke indicates its
compressive strength.
hardness.
abrasion resistance.
impact strength.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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