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give the properties and applications of teflonteflon this is acquired by the polymerisation of tetrafloourethyleneproperties1 this has good
explain polymerisation vinyl chloride and its applicationspvc and its applications - it is acquired from polymerisation of vinyl chloride in the
consider a process for the partial oxidation of benzene to produce maleic anhydride c4h4o4 using air there are two reactions to be concerned
before it can be fed to the gasification reactor coal must be ground to meet specifications on particle size the grinding is accompanied by the
zinc has hcp structure in a unit cell of zinc the zinc atoms occupy 74 of volume of unit
the probability of occupation of an energy level e when e - ef kt is given by
for high speed of reading and storing the informations in a computer the use is made
hall effect can be used to measurea mobility of semiconductors b conductivity of semiconductorsc resistivity of
a pair of one cation and one anion missing in a crystal of the type ab is known asschottky
a ge atom contains ge atom contains four valence
the property of a material by which it can be drawn into wires is called as ductility is the only property of a material by which it can be drawn
an electron in the conduction bandhas a higher energy than an electron in the valence
malleability of a metal is theproperty by which a material can be cold-worked
insulating material used in spark plug isporcelain
the hardness of quenched martensite is first enhances and then remains almost constant as the carbon percentage
the degree of freedom when ice water and water vapour coexist in equilibrium
in a ferroelectric material the spontaneous polarization vanishes above curie temperature
what is tie-line rulethe tie-line rule is applied to verify the compositions of two co-existing phases in a binary phase diagram the tie line is a
in what important respect does the conductivity of a conductor differ from that of an intrinsic
explain the different types of polarization mechanisms in dielectricsthere are essentially four basic kinds of polarization mechanismsinterface
what is density of energy statesthe density of states dos of a system explains the number of states at each energy level that are available to be get
explain sommerfeld theorysommerfeld theory the theory was originally proposed in 1900 to define and correlate the electrical and thermal properties
free electron theory of metalsthis theory tells that metals conduct electricity due to the presence of free electrons in it the outermost shells of
properties of filament and contact materialsthe filament materials must have low resistance temperature co-efficient high melting point high
what is metallisationmetallisation metalizing is the procedure of evaporating a film of metal onto products normally the same is done in vacuum