Cork is made of which natural resource?
A. Seeds
B. Animal fat
C. Fossils
D. Bark of Oak
I had been asked this question in examination.
My doubt is from Leakage Preventers in division Fuels, Intake System & Leakage Preventers of Automotive Engine Design
The correct answer is D. Bark of Oak
For explanation: Cork is one of the oldest gasket materials obtained from the bark of oak and pine trees and oil-resistant synthetic rubber gaskets are frequently used in oil pan corner joints.