The dynamic load on a gear is due to:
1. Inaccuracies of tooth spacing
2. Irregularities in tooth profile
3. Deflection of the teeth under load
4. Type of service (i.e., intermittent, one shift per day, continuous per day)
Which of the above statements are correct?
1
1, 2 and 3
2
2, 3 and 4
3
1, 3 and 4
4
1, 2 and 4