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Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 9
6.
Thermosetting polymers are
injection moulded
cast molded
extruded
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Maximum consumption of lead is in the manufacture of
storage batteries.
solder alloys.
electric cable sheathing.
lead lined vessels.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Clock pendulums are usually made of __________ steel.
high speed
stainless
heat resisting
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Which of the following is produced by addition polymerisation ?
Polybutadiene
Phenol formaldehyde
Urea-formaldehyde
Dacron
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
With increase in the carbon percentage in the steel, its
hardness increases.
ductility reduces.
tensile strength increases.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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