Hamad Polymer Technology 28/07/2024 A. Injection moulding B. Extrusion C. Rotational moulding D. Compression moulding Related Mcqs: Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its_________________?A. Elasticity B. Strength C. Plasticity D. Weathering characteristics... Polystyrene is a ____________ plastic at room temperature?A. Ductile B. Brittle C. Malleable D. None of these... Viscosity of a polymer solution or melt _________________?A. Decreases with increase in molecular weight B. Decreases with increase in temperature C. Increases with increase in temperature D. Does not vary with temperature rise... Neoprene is chemically known as _________________?A. Polybutadiene B. Styrene butadiene rubber (SBR) C. Polyurethane D. Poly chloroprene... _______________ is a natural fiber?A. Cellulose B. Dacron C. Nylon-6 D. None of these...
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