Consider the following statements regarding the overflow rate of a sedimentation tank
1. Temperature of water affects the overflow rate
2. Size of particle intended to be removed does not affect the overflow rate
3. Density of particle intended to be removed affects the overflow rate
Which of the above statements are correct?1
1 and 3 only
2
1 and 2 only
3
2 and 3 only
4
1, 2 and 3