Polymer Technology Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. Brittleness Elastometric Thermoplastic Thermosetting Brittleness Elastometric Thermoplastic Thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are Easily reshaped & reused Soluble in all organic solvents Formed by addition polymerisation only More brittle Easily reshaped & reused Soluble in all organic solvents Formed by addition polymerisation only More brittle ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Valcunisation of rubber decreases its Working temperature range Resistance to organic solvents Tensile strength Tackiness Working temperature range Resistance to organic solvents Tensile strength Tackiness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of __________ produces bakelite. Urea & formaldehyde Propylene Phenol & acetaldehyde Phenol & formaldehyde Urea & formaldehyde Propylene Phenol & acetaldehyde Phenol & formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The major component of acrylic fibres is Polyesters Polyacrylonitrile Polyolefins Polyamides Polyesters Polyacrylonitrile Polyolefins Polyamides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The physical state in which polymers exist is Amorphous glassy state All of these Partially crystalline state Melts & rubber like state Amorphous glassy state All of these Partially crystalline state Melts & rubber like state ANSWER DOWNLOAD EXAMIANS APP
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