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Q. Explain Sand and moulding sands?
Sand according to the amount of clayey matter they contain, the moulding sands are classified as:
• Silica sand: Up to 20% clay.• Lean or weak sand: 2 to 10% clay• Moderately strong sand: 10 to 20% clay• Strong sand: Up to 30% clay• Extra strong sand: Up to 50% clay.
There are three types of sand used for making moulds: natural, synthetic and chemically coated.
A smooth glass plate is coated with a special electrically conductive film that may be used to produce a constant heat flux on the plate. Estimate the air flow velocity which must
Calculate Additional force required to maintain equilibrium: Fo r the system shown in figure find the additional single force required to maintain equilibrium. Sol.: L
Custom-Designed Lap Joint Flanges Practices relative to lap-joint flanges, that experience has shown will result in a level of damage tolerance, leak-tightness integrity, and g
(a) Describe clearly the constructional details and operation of various rear axle drives with the engine placed at the front. Illustrate your answer with simple and neat sketch.
Rubber Rubber is a plastic that is largely derived from natural sources and utilized in a modified form. For automobile tyres, Rubber is well identified as material. Rubber re
what is meant by thermal sress in tapered sections
Martempering: The piece to be hardened is wholly austenitized and after that quenched in a lead of salt bath held at a temperature simply above at that martensite would begin
WHAT IS THE HISTORY AND COMPOSITION OF CUPOLA FURNACE?
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A pump station has been designed to lift water out of a 6 metre deep pit (vented to atmosphere) via a centrifugal pump mounted at ground level. Liquid conditions
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