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Q. Describe Natural and Synthetic Sand?
Natural sand: A natural sand is the on which is available from natural deposits. Only assistive and water need to be added to it to make it satisfactory for moulding. The clay content of most natural sands is slightly higher than the desired so that new sand can be continuously added to the used sand to replenish that which is lost.
Synthetic sand: A synthetic sand is prepared by mixing a relatively clay free and having a specified type of clay binder as well as water and other additives. All are mixed in the foundry. This sand has the advantage that sand grains of specified composition and properties can be prepared on the basis of the metal being cast.
Define the Abrasive Jet Cutting Machines 1. Abrasive jet cutting machines which are used to cut sheet materials or to remove materials of work piece from a surface by generatin
Evaluate maximum shear stress: Derive equation subjected to combined bending and torsion for finding out maximum shear stress and its equivalent twisting moment.
Q. Stress analysis requirements? All other lines requiring review by the stress group are to be checked for adequate support, stability, excessive movement, etc. Where hand ca
Features of the Schem: Features of the scheme are as follows : DIC is the primary registering centre. Registration is voluntary and not compulsory. Two types of
A square column 410 x 410 mm (along with 4 No. 16 mm bars) carries a dead load of 1020 kN and an imposed load of 410 kN. The foundation soil has a safe bearing capacity of 200 kPa.
an elctric current is passed through a wire 1mm in diameter and 10mm long. the wire is submerged in liquid water at atmospheric pressure and current is increased until the water bo
Illustrate throttling process and free expansion process in details? A fluid is confined in a cylinder by a spring loaded frictionless piston so that pressure in the fluid is a
Bore - Thermodynamics: The inner diameter of engine cylinder is called as bore. It can be measured by a vernier calliper or bore gauge. As engine cylinder wears out with the p
Examine the CNC machines at University of Greenwich. You are needed to present and discuss about the major functional units and vital machine elements of the CNC milling at Univer
Physical significance of damping coefficient and it''s unit.
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