Assignment-2 Btech 5th sem

Give answer of following questions.

1.       Power P of any centrifugal pump depends upon the density -ϱ, the speed-N, Diameter D, head change, the volume flow rate Q, and gravitational force g, How many independent dimensionless grouping are there? Develop the formula for P in terms of other properties

2.       Answer the Following questions.

1) Describe how a rocket or jet engine produces thrust
2)How do Newton’s laws relate to jet engine operation
3)Give some examples of jet engine applications
4)What are some advantages of jet engines
5)What are some disadvantages of jet engines

3.       What do mean by a centrifugal Pump? Explain

4.       Classification of centrifugal pump.

5.       Draw the neat sketch of centrifugal pump and explain each part of it.

6.       The specific speed Ns of pump is depend upon the RPM  N discharge Q and head H, develop its formula in terms of other parameters.

7.       Explain Vapor Pressure, Cavitation, NPHS.

8.       Explain static head, static discharge head , static suction head and static suction lift.