Consider the following statements regarding boundary lubrication conditions in hydrodynamic journal bearings?
1. It is an undesirable condition
2. It always occurs during starting and stopping of the journal
3. It necessitates frequent repair of the journal
4. This condition can be completely eliminated by using high viscosity lubricant
Which of the statements given above are correct?
(a) 1, 2 and 4 (b) 2, 3 and 4 (c) 1 and 2 (d) 3 and 4