Polymer Technology Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. Polypropylene Polyester Polyacrylonitrile Nylon Polypropylene Polyester Polyacrylonitrile Nylon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Glycol soaking Improving the stretchability Detergent solution washing Dyeing/colouring Glycol soaking Improving the stretchability Detergent solution washing Dyeing/colouring ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Lavatory cisterns are normally made of Perspex PVC Saturated polyester Expanded polystyrene Perspex PVC Saturated polyester Expanded polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 49200 50000 50800 51600 49200 50000 50800 51600 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻⁴ to 10⁻⁷ 10⁻¹ to 10⁻² 10⁻⁸ to 10⁻¹⁰ 10⁻² to 10⁻⁵ 10⁻⁴ to 10⁻⁷ 10⁻¹ to 10⁻² 10⁻⁸ to 10⁻¹⁰ 10⁻² to 10⁻⁵ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is not a polyester fibre. Nylon Polyacrylonitrite Dacron Terylene Nylon Polyacrylonitrite Dacron Terylene ANSWER DOWNLOAD EXAMIANS APP