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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.
Determine modulus of resilience: A steel specimen of 10 mm diameter & 50 mm gauge length was tested in tension and following observations were recorded. Load at upper yield
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Power Metallurgy- The more appropriate name should be "Particulate Processing Methods". Here the particles of various sizes of metals, ceramics, polymers and glass etc, are presse
develop an appropriate group technology coding scheme for a line of machine screws using monocode. explain how the coding scheme works. Assume the product line has the following va
Evaluate force and moment: What force and moment is transmitted to supporting wall at A A force of 15 KN is transmitted to wall along with anticlockwise mome
Q. High temperature materials in Boilers? A thin refractory layer between the shield and boiler tube is recommended in areas subject to moderate temperatures and levels of corr
TYPES OF COATED ELECTRODES Following are the types of coated electrodes: a. Cellulosic electrodes b. Rutile electrodes c. Iron powder electrodes d. Low hydrogen e
Find out the strain energy stored: A close coiled spring is subjected into an axial moment of 16 N-m. If the spring contains 15 coils with wire diameter of 10 mm and mean coil
what is relation between tool life and cutting speed?
how will you apply principle of superposition in a stepped bar?
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