1. nI2
2. n2 I2
3. I2/ n2
4. I2/ n
n2 I2
1. Positive drive...........Belt drive
2. High velocity ratio..........Worm gearing and non-intersecting shafts
3. To connect non-parallel.....Spiral gearing and non-intersecting shafts
4. Diminished noise.................Helical gears smooth operation
To connect non-parallel.....Spiral gearing and non-intersecting shafts
1. 1/24
2. 1/8
3. 4/25
4. 12
1/24
1. Dynamically
2. Statically balanced
3. Statically and dynamically balanced
4. Not balanced
Statically and dynamically balanced
1. Reverted gear train
2. Simple gear train
3. Sun and planet gear
4. Differential gear
Reverted gear train
1. 8
2. 2
3. 1/2
4. 1/8
1/8
1. Force is equal to zero
2. Couple is equal to zero
3. Force and the resultant couple are both equal to zero
4. Forces is numerically equal to the resultant couple, but neither of them need necessarily be zero
Force and the resultant couple are both equal to zero
1. 2/4
2. 3
3. 4
4. 5
5
1. Tip of the gear tooth and flank of pinion
2. Tip of the pinion and flank of gear
3. Flanks of both gear and pinion
4. Tip of the both gear and pinion
Tip of the gear tooth and flank of pinion
1. Free vibrations
2. Forced vibrations
3. Periodically forced vibrations
4. Free vibrations with viscous damping
Free vibrations