Which of the mentioned below is not a desired property of vane material?(a) High strength(b) Low friction(c) Low coefficient of thermal expansion(d) Quiet runningThe question was posed to me in a job interview.This key question is from Petrol Engine Fuel Supply System topic in division Exhaust System & Petrol Engine Fuel Supply System of Automotive Engine Design

Which of the mentioned below is not a desired property of vane materia

1.	Which of the mentioned below is not a desired property of vane material?(a) High strength(b) Low friction(c) Low coefficient of thermal expansion(d) Quiet runningThe question was posed to me in a job interview.This key question is from Petrol Engine Fuel Supply System topic in division Exhaust System & Petrol Engine Fuel Supply System of Automotive Engine Design
Answer» The CORRECT answer is (a) HIGH strength To explain: The properties REQUIRED for a vane material are quiet running, low friction, low coefficient of thermal expansion, and resistance to continuous exposure to oil and PETROL.

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