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Q. Explain Moulding Sand for Non-ferrous Casting?
The melting point of non- ferrous metal is much lower than that of ferrous metals. Therefore, the moulding sands for non-ferrous casting may be less refractory and permeable. Also, a smooth surface is desirable on non-ferrous casting. Due to all this, the moulding sands for non-ferrous casting contain a considerable amount of clay and fine grained.
Argon Argon is approximately one and one third times as heavy as air and ten times heavier than helium. Argon, after leaving the torch nozzle, forms a blanket over the weld
Explain Wilson HArtnell Governor
which are the different types of molding sands?explain each
What are the objectives of the earth pressure and retaining structures? After knowing all concepts about the same you should be able to learn: a. Know the field situations w
Explain Rake angle - Angles of a drill It is also known as helix angle .It is the angle formed between a plane containing the drill axis and the leading edge of the land. It c
Calculate the crack Stress Intensity Factor: If on the beam specimen of last problem two loads, each equal to 500 N, are applied at distance of 25 mm from central plane, calcu
Q. Inspection and testing for coating application? The Applicator shall perform all inspection and testing necessary to assure that the surface preparation and coating applicat
The transmission output shaft for a heavy goods vehicle can withstand a safe working shear stress of 54MPa. Its outside diameter is 54mm and its internal diameter is 48mm. Calculat
write short note on''coefficient of insensitiveness''of governors.
Why is back rake angle preferred to be negative for brittle materials?
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