In axial flow pumps and compressors, the combined velocity diagram with common base is used to determine change in

relative velocity (Vr2 – Vr1)

tangential velocity (U2 – U1)

In axial flow pumps and compressors, the combined velocity diagram wit

1.	In axial flow pumps and compressors, the combined velocity diagram with common base is used to determine change in
A.	absolute velocity (V2 – V1)
B.	relative velocity (Vr2 – Vr1)
C.	tangential velocity (U2 – U1)
D.	whirl velocity (Vu2 – Vu1)
Answer» E.