Question

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

Answer 1

Answer:

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:

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

Therefore,  "D" is right.