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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.
Explain the statement- subsidence of the ground Another type of problem is the subsidence of the ground due to breakdown of weak rocks like limestone, soluble rocks (gypsum
What are the points that should be kept in mind during forging design? Some of the points which must be followed while forging design are: > A radial flow of fibers or grain
The shaft, as given in Figure is driven by pulley B from an electric motor. Another belt drive from pulley A is operating a compressor. The belt tensions for pulley A are 1500 N an
Obtain the closed loop transfer function of the system shown:
short notes on nonlinear sweep
Idle Circuit : During Idling while the throttle valve is almost closed the vacuum is very high at Venturi area and no air-fuel mixture is drawn through the main circuit, as t
Explain about the footings how it is transmit loads. Footings are generally the lowermost supporting part of the structure known as sub-structure and are the last structural e
Determine contact reactions and force: Figure given below shows a sphere resting in smooth V shaped groove and subjected to a spring force. The spring is compressed to
Evaluate the tension in the rope: Determine the tension in the rope. Solution KE of the free-body of flywheel is developed due to (i) work-done by tension T in the rop
understanding the scope.
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