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q explain the mechanism for dislocation in plastic deformationans stresses are acting on dislocation in a crystal that is known as stress field
q explain the following with reference to deformation of
q what is recovery and recrystallizationans due to the cold working of metals there arise a large number of dislocations and distortion of planes
q state difference between elastic and plastic deformationans elastic deformation elastic deformation is that the part of the deformed material when
a dc generator has 300 turns in each field coil the flux per pol is 01 wb find the average value of emf inducet in field winding in the flux decays
q explain the compositional defectsans compositional defect this defect due toa alloying an element to original crystalb
q define the polymorphismans polymorphism it is defined as the change in atomic structure which occurs at a definite transformation temperature
q describe the structure of grain boundaryans one phase of metal contains many grains of various orientation the individual crystals are called
q there is no end centered tetragonal lattice in the bravis list but there is an end centered orthorhombic lattice explain why this is soans a
q define co-ordination numberansco-ordination number the number of atoms which are directly surrounding a given atom is known as coordination
q define the crystal symmetry with reference to crystal structureanscrystal symmetry a crystal is an orderly array of atoms in space atoms
q what is a unit cellans unit cell and lattice constant the smallest components of space lattice are known as unit cell or in other words when the
q what is crystal imperfection briefly discuss all types of point defects in crystalsansthe various type of crystal imperfection are as
q what do you understand by crystallographic notation of atomic planesexplain with the help of examplesanscrystallographic notation1 crystal
q explain crystal lattice of bcc fcc and hcpans a bcc body centered cubic body centered cubic structure the unit cell we observe in addition to the
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