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: Option A
Solution(By Examveda Team)
The process, which causes the air to enter the impeller blades of a centrifugal compressor at reduced velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl.This Question Belongs to Mechanical Engineering >> Compressors, Gas Turbines And Jet Engines
Related Questions on Compressors, Gas Turbines and Jet Engines
The compression ratio for the compressor is always _________ unity.
A. Equal to
B. Less than
C. More than
D. None of these
The hottest point in a gas turbine is
A. At the base
B. At the tip
C. In the center
D. Between ~ to i of the blade height
Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is
A. Higher
B. Lower
C. Equal
D. Can't be compared
Join The Discussion