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bravis lattice or bravis crystal systemthe ideas of space lattice was introduced by bravis in 1990according to this there are 14 possible types of
q differentiate crystalline and amorphous materials acrystalline solids those solids in which the ions atoms or molecules in a definite regular
write a survey paperwrite between 7 to 10 pages a survey paper in one of the following topic the future of hci for the paper the font size
breadth-first search starts at a given vertex h which is at level 0 in the first stage we go toall the vertices that are at the distance of one edge
binary each node has one zero or two children this assertion creates many tree operations efficient and simplebinary search a binary tree where each
a tree is a non-empty set one component of which is designated the root of the tree while the remaining components are partitioned into non-empty
a set s is conveniently shown in a computer store by its characteristic function cs this is an array of logical numbers whose ith element has the
typical programming languages such as pascal c or java give primitive data kinds such as integers boolean reals values and strings they give
abcd propagation of an optical ray through a system can be described by a straightforward two by two matrix in ray optics the feature of a system
abcd propagation of an optical ray through a system can be explained by a simple 22 matrix. in ray optics the characteristic of a system is given by
workshop drawings contractor scope1. air conditioning and ventilation systemsbuilder work drawingsenlarged scale double line hvac system duct amp
i would like to get a project done. i have some plans and i need a cost estimate on how much it will cost to get it
for multi-national business it system free and open source software foss is recommended over a proprietary system. the reasons for this
there are two practical ways of improving commutation i.e. of making current reversal in the short - circuited coil as sparkless as possible. these
q. what is meant by armature reaction. explain briefly the bad effects of armature reactions. sol. by armature reaction is meant the effect of
q. explain why equalizing connection are used in lap winding and dummy coils are some time used in wave winding.sol. for batteies operating in
currents induced in armature conductors of a d.c. generator are alternating. to make their flow unidirectional in the external circuit we need a
q. the armature of 6 -pole dc generator has a wave winding containing 664 conductors. calculate the generator emf when flux per pole is 0.06 weber
q. two shunt wound generators running in parallel supply a total load current of 4000 a. each generator has an armature resistance of 0.02? and a
q. draw the various characterstics of a dc shunt generator and explain critical resistance. sol. following are three most important
these are small poles fixed to the yoke and spaced in bw the main poles. they are wound with comparatively few heavy gauge cu wire turns and are
q. draw the developed diagram of a simplex progressive 2 layer lap winding for a 4 pole generator with 12 coils clearly indicating the position of
q. define coil pitch back pitch front pitch pole pitch commutator pitch resultant pitch multiplex winding and degree of re-entrant of a winding
armature reaction in dc generator armature reaction is the effect of magnetic flux set up by armature current upon the distribution of flux under
q. write a short note on types of enclosure of machine.sol. the various types of d.c. machine