For the following questions answer them individually
Castor and camber are terms associated with which of the following parts of an automobile?
A friction circle is a circle drawn when the journal rotates in a bearing. Its radius depends on the coefficient of friction and _____.
Critical or whirling speed is the speed at which the shaft tends to vibrate violently in _____.
When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than _____.