______________ fibres are made of polyamides?
______________ fibres are made of polyamides?
		A. Dacron
B. Nylon
C. Rayon
D. Orion
		A. Dacron
B. Nylon
C. Rayon
D. Orion
		A. PVC
B. Polythene
C. Bakelite
D. Polystyrene
		A. Nylon-66
B. Teflon
C. Polyester
D. Bakelite
		A. PVC
B. Bakelite
C. PTFE
D. Epoxy resin
		A. Cellulosic
B. Polyamide
C. Polyester
D. Natural
		A. -5
B. 10-30
C. 250-280
D. 500-600
		A. Deforms, if stretched to double of its original dimension
B. Is brittle at low temperature
C. Is softer at higher temperature
D. Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases