__The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl.__

__The process, which causes the air to enter the impeller blades of a

1.	__The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl.__
A.	Reduced
B.	Increased
C.	Zero
D.	None of these
Answer» B. Increased