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Q: Which of the following is NOT a property of coir fibres?
  • A. Resistance to dynamic loading
  • B. Elasticity
  • C. Ease to carry
  • D. Long service span
Correct Answer: Option A - Properties of coir fiber Physical and mechanical properties • Coir is a versatile natural fiber extracted from coconut fruit. • Coir fiber properties mainly rely on the behaviour of the interaction among them and their constituent materials. The physical properties refer to weight gain by water absorption, density, length, diameter and thickness. Mechanical properties refer to impact strengths, the tensile and flexural. It has elasticity, easy to carry and long service span. The coir fiber is relatively water proof and is the only natural fiber resistant to damage by salt water.
A. Properties of coir fiber Physical and mechanical properties • Coir is a versatile natural fiber extracted from coconut fruit. • Coir fiber properties mainly rely on the behaviour of the interaction among them and their constituent materials. The physical properties refer to weight gain by water absorption, density, length, diameter and thickness. Mechanical properties refer to impact strengths, the tensile and flexural. It has elasticity, easy to carry and long service span. The coir fiber is relatively water proof and is the only natural fiber resistant to damage by salt water.

Explanations:

Properties of coir fiber Physical and mechanical properties • Coir is a versatile natural fiber extracted from coconut fruit. • Coir fiber properties mainly rely on the behaviour of the interaction among them and their constituent materials. The physical properties refer to weight gain by water absorption, density, length, diameter and thickness. Mechanical properties refer to impact strengths, the tensile and flexural. It has elasticity, easy to carry and long service span. The coir fiber is relatively water proof and is the only natural fiber resistant to damage by salt water.