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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.
Oxides These comprise alumina, magnesia, thoria, beryllia and zirconia. Other oxides that are utilized sparingly due to high cost comprise hafnia, ceria and yttria. Variety of
Q. Mechanical Data for Line Designation Tables? Line Designation Tables (LDT's) are initially generated by the Piping designers. Design conditions are inputed by the Process di
what is the essentials of a good boiler?
These are differentiated from hoists by the fact that the operator rides with the load. There are many different types of drives for such elevators but in general electric
what do understand by the term equilibrium diagram
Example of Process Capability The specifications for one characteristic of a part call for its width to be 3.000 + 0.008 centimetres. The procedure has been run under controll
Determine weight of body and coefficient of the friction: For ce of 200N is needed just to move a certain body up an inclined plane of angle 15°, the force is parallel to th
A special feature of the PDES A special feature of the PDES development is the use of the formal language EXPRESS for modeling the product information. There will be capabiliti
Tensile strength: What will be its ultimate tensile strength? Solution The condition for necking is = n = 0.3077 Hence using this value of , the true stress at ne
how is varignons theorem useful in engineering mechanics
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