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Q. Can you explain Bentonite binders?
Its general composition is MgO.Al2O3.Sio2.H2O. it is formed by weathering of volcanic or igneous rocks. It is a creamy white powder. Its melting point is 1250- 1300oc
The basic constituent which gives refractoriness to a clay is alumina. Of all clays bentonite is the most commonly used clay. It needs smaller amount of water to obtain a given degree of plasticity. This will result in less stream generation when the molten metal is poured into the mould, permitting a lower permeability in the moulding sand.
formulae for finding gross torque developed by the armeture
Vibronic Spectroscopy: In the harmonic oscillator approximation, simulate the So-S1 absorption spectrum of a diatomic. The simulation should convey both the energies of the transit
Arc-Welding Processes Arc-welding includes those welding processes wherein heat required for welding is derived from an arc powered by electrical energy, may be AC of DC as s
Need of a spectrophotometer: The specific instructions will differ with other models, but the principles remain. 1. The instrument must have been warm for at least 15 min.
Evolution of Safety - Industrial Safety The large scale expansion started taking shape along with the beginning of nineteenth century but safety could not turn into the concer
As per American welding society (AWS) Welding is defined as "a localized coalescence of metals or non-metals produced either by heating the material to suitable temperature, wi
what effects do external factors have on engineering metals
Resultant of coplanar concurrent force system: The resultant force, of given system of forces can be found out by the resolution method, which is discussed below: Assume th
Thermal Reservoir - Thermodynamics: Thermal Reservoir. A thermal reservoir is the part of environment that can exchange heat energy with system. It has adequately large capa
Constant Mesh Type Gear Box : Most of the gearboxes on motorcycles are "constant mesh". That means all the gears are constantly meshed with one another and are always spinnin
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