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Q. How can we use Cereals?
Foundry cereal is finely ground corn flour or corn starch. It (0.25-2%) increases the green and dry strengths of the moulding sand. Since the cereal is organic, it is "burned out" when hot metal comes in contact with it. This gives rise to space for accommodating the expansion of silica sand at the surfaces of mould cavity, without buckling these. Because of their low density, about 1%is generally sufficient.
Saw Dust. It increases the gas permeability and deformability of moulds and cores, it must be dry. Instead of saw dust, one can use peat that contains about 70-73% volatile substance, not over 5 or 6% ash and up to 25-30% moisture.
In the drawing, the weight of the block on the table is 380 N and that of the hanging block is 215 N. Ignore all frictional effects, and assuming the pulley to be massless.
Control Function in Production Management: Controlling is a sub system of the production system where a part of the output is monitored for feedback signals to give corrective
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First we focus on the inner region fluid (0 (solid body rotation) around the z-axis. The steady incompressible velocity field is given by ur=0 utheta=rw uz= 0. The pressure at th
what is sin2P ,if angle q is 90 degree.
Q. Illustrate Clay content test? Under this test, the clay content is measured by washing it off the sand sample. The standard dried sand sample (50 gm) is put in a mixing devi
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