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What are its applications?
(i) Direct extrusion: The billet is placed in a container and forced by the die through a piston.
(ii) Indirect extrusion: The extruded part is first forced by the die and then passes by ram stem. The billet is pressed among the container and the die in case of indirect extrusion. In case of direct extrusion the billet is placed among die and the ram.
(iii) Tube extrusion: The billet is placed inside a container among the die and mandel. The mandel is pressed by ram and the metal is extruded by the die. This process is used for making steel tubes. The billets are heated to about 13000c except low carbon steel tubes which are cold worked.
a) List various advantages and drawbacks of using transparent polymeric materials for eyeglass lenses. (b) Cite 4 properties (in addition to being transparent) that are important
Formulas for determining temporary and permanent hardness
step to design heat exchanger
A tank contains cold water at a temperature Tc = 20°C and volume Vc = 1 m3. You add a volume Vh = 1 m3 of water at temperature Th = 100°C at time t = 0. Energy is lost from the tan
why do frosting on cakes do not fall off
Permeability: The rate of diffusion of molten solid liquid and gases through refractories is called permeability. Low permeability is usually more important than low porosity from
given the displacement vectors A(3^i-4^j+4^k)m and B(2^i+3^j-7k)m,find the magnitudes of the vectors (a)C=A+B and (b)D=2A-B,also expressing each in terms of its rectangular compone
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Ask queswhat is axontion #Minimum 100 words accepted#
Hard magnetic materials Permanent magnets are used as passive generators of magnetic field. To produce and maintain the magnetic field, a material should have both high resid
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