For the following questions answer them individually
In a multiple V belt drive, when a single belt is damaged, it is preferable to change the complete set to _____.
A mass of 1 kg is attached to the end of a spring with stiffness 0.7 N/mm. The critical damping coefficient of this system is ____.
Rankine's theory of failure is applicable for which of the following type of materials?
Which if the following key is under compression rather than in being shear when under load?