Consider the following statements :
1. Pumps in series operation allow the head to increase.
2. Pumps in series operation increase the flow rate.
3. Pumps ill parallel operation increase the flow rate.
4. Pumps in parallel operation allow the head to increase.
Which of these statements are correct ?

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.