This is the definition for what word below- The decibel (dB) is a logarithmic unit used to express the ratio of two signal values.​ Equation

Sound

Silence

Noise

Describe one experiment in which the glass transition temperature and melting temperature of a totally amorphous thermoplastic material can be determined. show the relevant experimental results in a diagram which should be properly annotated with the two temperatures clearly marked. what is likely to happen to the curve in the diagram if the amorphous polymer is replaced by a thermosetting type?

The sum of the normal stresses does not change as the stress state rotates through an angle. a)-trune b)- false

Apressure vessel with an r/t 20 cannot be treated as thin walled vessel. a)-trune b)- false