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Q. Can you explain about Fuel Oil and Dextrin?
Fuel Oil: It improves the mould ability of sand.
Iron Oxide: It develops hot strength.
Dextrin: It increases air setting strength, toughness and collapsibility and prevents sand from drying rapidly. During pouring of molten metal, it gasifies, thus producing extra space between the grains without any grain distortion.
Molasses: It is the by product of sugar industry. It enhances the bench life of sand and imparts high dry strength and collapsibility to moulds and cores. Due to high temperature in the mould; it develops CO2 which sets up a hardening action of the mould.
Q. Explain Double Bolting? Where low strength bolts must be used, initial bolting with higher strength low temperature bolts may be necessary to minimize accumulative strain an
derivation for varing shear stress for thin circular tubes.
Quasi static process - thermodynamics: Thermodynamic equilibrium of a system is very difficult to be realized during the occurrence of a thermodynamic process. 'Quasi-static'
what are the finishing operation of telephone outer body after injection molding
Graphics Exchange Specification: Afterwards, an open meeting was held at the National Academy of Sciences on October 10, 1979. About 200 people attended to herald the birth of
What is the turnaround time for a 10-page assignment?
Find out the moment of inertia of an annular area: Find out the M. I. of an annular area among two circles where difference of radius is quite small, around any centroidal axi
example on operation sheet?
Consider the U-shaped curved beam shown below (with rectangular cross-section and thickness h ), which is loaded by force P as indicated. A free-body diagram reveals that a mome
ELECTRO SLAG WELDING This process is similar to the electro gas welding process designed for making butt welding in the vertical position in one single pass and the plate
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