Q.

The temperature at which plastics begin to become softer and defer under a load is known as                    

A. softening point
B. melting point
C. eutectic point
D. heat distortion point
Answer» D. heat distortion point
Explanation: heat distortion point is the temperature at which plastics begin to become softer and defer under a load. the softening point is the temperature at which a flat-ended needle of 1 mm2 penetrates the test same at 1 mm2 depth. eutectic point the temperature at which a mixture freezes or melts. the melting point is the temperature at which the state of the body changes from solid to liquid.
986
0
Do you find this helpful?
4

Discussion

No comments yet