47) Which of the following types of brakes is commonly used in railroad trains and trailers?
Related KPCL AE Mechanical Question Papers - 2015 with Answer Key
None of these
It is the sidewall height as a percentage of the total width of the tire.
Static Friction The friction experienced by a body, when it is at rest is known as static friction.
Dynamic Friction The friction experienced by a body, when it is in motion is called dynamic friction. Dynamic friction is also called as kinetic friction.