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? 51600 50000 49200 50800 51600 50000 49200 50800 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Valcunisation of rubber decreases its Tackiness Tensile strength Working temperature range Resistance to organic solvents Tackiness Tensile strength Working temperature range Resistance to organic solvents ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Cellulose Nucleic acids Starch Proteins Cellulose Nucleic acids Starch Proteins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is generally not used as eord for synthetic rubber tyre casing? None of these Nylon Cellulose Dacron None of these Nylon Cellulose Dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Identify the group in which all the polymers mentioned can be used to make fibres. Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyisoprene, Polyethylene Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyamides, Polyurathane Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyisoprene, Polyethylene Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyamides, Polyurathane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of Siloxane elastomers Polyamides Vinyl polymers Urea-formaldehyde resins Siloxane elastomers Polyamides Vinyl polymers Urea-formaldehyde resins ANSWER DOWNLOAD EXAMIANS APP
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