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Explain polymerisation vinyl chloride and its applications.
PVC and its applications - It is acquired from polymerisation of vinyl chloride in the presence of a catalyst as peroxides at about 500C. The properties are as mechanical strength, flexibility, porosity, electrical and moisture absorption properties can be changed through adding certain materials. PVC has fine mechanical and electrical properties. This is hard and brittle. It resists flame, most solvents and sunlight. It is non-hygroscopic. PVC is widely used as insulation and jacketing material for cables and wires. PVC films, sheets and tapes are used as insulation for conduit pipes and dry batteries.
BURGER VECTOR The Burgers vector, often denoted by b, is a vector that shows the magnitude and direction of the lattice distortion of dislocation in a crystal lattice. The dire
Explain Loss Angle Loss Angle can be described as the arc-tangent of the electrical dissipation factor.
Why protons doesn''t react which each other?
Explain the problems of flooding and channeling in packed tower
#question.WHAT IS STEAM GENERATION AT CONSTATNT PRESSURE .
Malleability of a metal is the Property by which a material can be cold-worked
can you help with process control questions
How chemilcal#..
Refractoriness under load (RUL): This represents the resistance of a refractory material to the combined efforts of heat and load. RUL is the temperature at which the deformation
In the dryer air furnace, a natural gas containing 92.5 mole% methane, 4.8% ethane, and the remainder propane is burned with 20% excess air. The fuel enters the furnace at 25°C and
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