1 why we use pump?
2 why we use motor?
3 how much type of pump?
4 what is diffrent positive and non-positive displacement
5 why vehicle tyer color black?
why we not use only water in water hydraulic system?
If a fixed gear having 200 teeth is in mesh with another
gear having 50 teeth.The two gear are connected by an
arm.What will be the number of turn made by the smaller gear
for one revolution of arm about the center of bigger gear?
Any effort is appreciable witha proper logic..