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Mechanical Engineering · Q139

Compressors, Gas Turbines And Jet Engines

Engineering and GATE · Mechanical Engineering · question 139

Q139

Which one of the following is the effect of blade shape on performance of a centrifugal compressor?

A.
Backward curved blades has poor efficiency
B.
Backward curved blades lead to stable performance
C.
Forward curved blades has higher efficiency
D.
Forward curved blades produce lower pressure ratio
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
Forward curved blades produce lower pressure ratio is the main effect of blade shape on performance of a centrifugal compressor