Polymer Technology Vinyl flooring is done using __________ sheets. Polythene PVC Polypropylene Polyvinyl acetate Polythene PVC Polypropylene Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Polypropylene Polyester Nylon 6:6 Acrylic Polypropylene Polyester Nylon 6:6 Acrylic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The physical state in which polymers exist is All of these Melts & rubber like state Partially crystalline state Amorphous glassy state All of these Melts & rubber like state Partially crystalline state Amorphous glassy state ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Strength Plasticity Elasticity Weathering characteristics Strength Plasticity Elasticity Weathering characteristics ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cross linked polymers are Thermoplastic Either A or B Thermosetting Fibres only Thermoplastic Either A or B Thermosetting Fibres only ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used For surface coating of automobiles & air crafts For fibre making As plasticiser for PVC & nitrocellulose For film forming materials For surface coating of automobiles & air crafts For fibre making As plasticiser for PVC & nitrocellulose For film forming materials ANSWER DOWNLOAD EXAMIANS APP