Question

Mechanic of Materials question :

7-A calibration test was carried out for a 120 ton universal testing machine using a proving ring. The readings of the testing machine and the proving ring are as follows: М/С. R. 110 (ton) Ring R. 10.08 20 30.0440 49.95 60.12 69.79 79.42 90.09100 109.89 120 ton) 20 30 40 50 60 70 80 90 100 10 120 Draw the calibration curve for the testing machine and show the zones of loading where the testing machine can be considered not accurate assuming an error of t 0.5% of the maximum capacity of the testing machine is permissible.

Answer 1