An aluminium alloy rod of diameter 15 mm and length 120 mm is subjected to a tensile load of 35,000 N along its axis. The Young's modulus and Poisson's ratio for aluminium are 70 GPa and 0.33 respectively.

The extending the polymer chain by successive addition of monomers units is called

A. Propagation

B. Termination

C. Both A and B

D. None of these

Dacron is an example of

A. polyamides

B. polypropene's

C. polyacrylnitrfle

D. polyesters

If Reynolds number is greater than 1, then the

A. Viscous force is larger than the inertia force

B. inertia force is larger than the viscous force

C. inertia force is larger than the surface tension force

D. inertia force is larger than the gravitational force

Which is the correct (degree) temperature range for spherodized carbide in low carbon steel

A. 750-950°C

B. 950-1150°C

C. 550-750°C

D. None of these