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Strength tests: These tests are carried out to check the holding powers of various binders used in green moulding sand, dry moulding sand and core sand. These tests are performed on a U.T.M. The various test carried out includes:-
1. Compressive strength test
2. Shear strength test
3. Tensile strength test
4. Bending strength test
Out of these, compressive strength test is most important. The test specimen is
5.08 cm Φ × 5.08 cm long. The test is performed by applying a uniformly increasing load on sand specimen until it breaks. The compressive strength is read directly on the scale of the machine.
Find out the number of revolution: A flywheel of mass 20 kg and radius 100 mm is made to rotate at 600 RPM. Determine the KE of the flywheel. If the frictional couple at its b
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a) Determine the value of σ 0 to cause failure when θ=30°, according to the maximum stress failure criterion. Consider both σ 0 > 0 and σ 0 e.g. "failure in longitudinal tens
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Kelvi n Plank Statement: Sol: It is impossible to construct this type of H.E. that operates on cyclic process and converts all the heat supplied to it into equivalent
assignment
Applications and Disadvantages of Electro Chemical Machining Disadvantage of Electro Chemical Machining 1. The tools are more difficult to design. 2. Initial cost is hi
A single jet pelton wheel runs at 300 rpm under a head of 510 m. the jet diameter is 200m, its deflection inside the bucket is 165 o and its relative velocity is reduced by 15% be
A hole of 25 mm diameter and 62.5 mm depth is to be drilled. The suggested feed is 1.25 mm/rev.and the cutting speed is 60 m/min. Assume the clearance height is 5 mm. Determine: f
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