Civil Engineering - Building Materials - Discussion
Discussion Forum : Building Materials - Section 3 (Q.No. 30)
30.
Pick up the incorrect statement from the following:
Discussion:
14 comments Page 2 of 2.
Ram said:
5 years ago
Option A is correct.
WASEEM SANGI said:
3 years ago
Plastics are ductile this is a correct statement. So, the answer is not C.
Abdul Latif said:
2 years ago
The incorrect statement is "Plastics are chemical resistant".
Plastics are generally resistant to some chemicals, but they are not resistant to all chemicals.
For example, plastics can be dissolved by certain solvents, and they can also be corroded by certain acids and bases.
The other statements about plastics are all correct. Plastics are durable, ductile, and excellent electric insulators.
Plastics are generally resistant to some chemicals, but they are not resistant to all chemicals.
For example, plastics can be dissolved by certain solvents, and they can also be corroded by certain acids and bases.
The other statements about plastics are all correct. Plastics are durable, ductile, and excellent electric insulators.
(1)
Agha Bilal said:
7 months ago
Yes, the incorrect statement is:
C. Plastics are ductile.
Here's why:
Ductility is the ability of a material to be drawn into wires. Plastics, in general, are not known for their ductility. They are more likely to break or fracture than be drawn into wires.
Plastics are well known for being chemical resistant, durable, and excellent electrical insulators.
C. Plastics are ductile.
Here's why:
Ductility is the ability of a material to be drawn into wires. Plastics, in general, are not known for their ductility. They are more likely to break or fracture than be drawn into wires.
Plastics are well known for being chemical resistant, durable, and excellent electrical insulators.
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