Answer is:
difference of the maximum and minimum equilibrium speeds to the mean speed
Answer is:
spur gearing
Explanation:
When two parallel and coplaner shafts are connected by gears having teeth parallel to the axis of the shaft called spur gears, the arrangement is known as spur gearing.
Another name given to the spur gearing is helical gearing in which the teeth are inclined to the axis of the shaft. There are single and double helical gears. The double helical gears are known as herringbone gears.
Answer is: