While discussing the effects of loose wheel bearings: Technician A says that vibration may occur while driving. Technician B says that the bearing may make noise. Who is correct? a. Technician A b. Neither A nor B c. Technician B d. Both A and B

Option "D" is the correct answer i. e. Both Technicians A & B

Explanation:

Dear,

Loose wheel bearings can be caused on any machine.

The Following can be the reasons:

the machine or motor is installed improperly the rotor (rotating part) of machine is not balanced the cover get deteriorated with time Bad manufacturer

So, when the bearings will be loose then the following can happen:

It will produce vibration in machine which can be judged by a vibration pen eg. SKF vibration pen The vibration will also result in noise. You can check by The machine winding if it is motor will burn-out. Bush needs to be installed if the bearing runs loose.

Therefore, "D" is right.